W. Wallraff

Publication List Details

Period

1995 - 2007

Number

1000

Co-Authors

Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01 (2007)

Aguilar, M, Alcaraz, J, Allaby, James V, Alpat, B, Ambrosi, G, Anderhub, H, ...

A measurement of the cosmic ray positron fraction e+/(e+ + e-) in the energy range of 1-30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during its 10 day Space...

Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01 (2007)

Aguilar, M., Alcaraz, J., Allaby, J., Alpat, B., Ambrosi, G., Anderhub, H., ...

A measurement of the cosmic ray positron fraction $e^{+}/(e^{+}+e^{−})$ in the energy range of 1–30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during its...

Performance of the AMS-02 Transition Radiation Detector (2006)

Doetinchem, P. V., Fopp, S., Karpinski, W., Kirn, T., Luebelsmeyer, K., Orboeck, J., ...

For cosmic particle spectroscopy on the International Space Station the AMS experiment will be equipped with a Transition Radiation Detector (TRD) to improve particle identification. The TRD has 20...

Precision electroweak measurements on the Z resonance (2006)

Schael, S., Barate, R., Brunelière, R., Buskulic, D., De Bonis, I., Décamp, D., ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Measurement of charged-particle multiplicity distributions and their $H_q$ moments in hadronic Z decays at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e+e- collisions at the Z pole. Moments of the...

Measurement of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ Events at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb$^{-1}$ collected by the L3 detector at $\sqrt{s}=$ 189--209\,GeV. Bose-Einstein correlations between...

The $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The cross section of the process e^+ e^- -> Z \gamma\gamma -> qq~ \gamma \gamma is measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies...

Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. By comparing two- and...

$\Lambda$ and $\Sigma^{0}$ Pair Production in Two-Photon Collisions at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- centre-of-mass energies from 91 GeV to 208 GeV,...

Double-Tag Events in Two-Photon Collisions at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Double-tag events in two-photon collisions are studied using the L3 detector at LEP centre-of-mass energies from root(s)=189 GeV to 209 GeV. The cross sections of the e+e- -> e+e- hadrons and...

f$_1$(1285) Formation in Two-Photon Collisions at LEP (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The $\eta \pi^+ \pi^-$ final state in two-photon collisions is studied with the L3 detector at LEP, at centre-of-mass energies from 183 to 209~GeV with an integrated luminosity of 664.6~pb$^{-1}$....

$K^{0}_{S} K^{0}_{S}$ Final State in Two-Photon Collisions and Implications for Glueballs (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $\mbox{K}^0_{\rm S}\mbox{K}^0_{\rm S}$ final state in two-photon collisions is studied with the L3 detector at LEP. The mass spectrum is dominated by the formation of the $f'_{2}$(1525) tensor...

Light Resonances in $K^{0}_{S} K^{\pm}\pi^{\mp}$ and $\eta \pi^{+} \pi^{-}$ final states in $\gamma\gamma$ collisions at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $e^+ e^- \rightarrow e^+ e^- K^{0}_{s} K^{\pm} pi^{\mp}$ and $e^+ e^- \rightarrow e^+ e^- \eta \pi^{+} \pi^{-}$ final states are studied with the L3 detector at LEP using data collected at...

Measurement of Hadron and Lepton-Pair Production at 130 GeV $ \sqrt{s} $ 189 GeV at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^{+}e^{-}}$ annihilation into hadronsand lepton pairs.The data have been collected with the L3 detector at LEP at centre-of-massenergies between 130 and...

Hard-Photon Production and Tests of QED at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The total and differential cross sections of the process $\epem \ra n \gamma$ with $n \geq 2$ are measuredusing data collected by the L3 experiment at centre--of--mass energies of $\sqrt{s}=183$ and...

Higgs Candidates in $e^+ e^-$ Interactions at $\sqrt{s}$= 206.6 GeV (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

In a search for the Standard Model Higgs boson, carried out on 212.5~$\mathrm{pb^{-1}}$ of data collected by the L3 detector at the highest LEP centre-of-mass energies, including...

Measurement of Bose-Einstein Correlations in $e^+ e^- \to W^+ W^-$ at $\sqrt{s} \simeq$ 189 GeV (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We investigate Bose-Einstein correlations (BEC) in W-pair production at $\sqrt{s}\simeq 189 \GeV$ using the L3 detector at LEP. We observe BEC between particles from a single W decay in good...

Direct Observation of Longitudinally Polarised $W^{\pm}$ Bosons (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The three different helicity states of W bosons, produced in the reaction $e^+e^- \rightarrow W^+W^- \rightarrow \ell \nu q \overline{q}$are studied using leptonic and hadronic W decaysat $\sqrt{s}$...

Measurement of inclusive $D^{\star1}$ production in two-photon collisions at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Inclusive production of $\mathrm{D^{*\pm}}$ mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy $\sqrt{s} = 189$ GeV with an...

Formation of the $\eta_c$ in Two-Photon Collisions at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The two-photon width $\Gamma_{\gamma\gamma}$ of the $\eta_{\mathrm{c}}$ meson has been measured with the L3 detector at LEP. The $\eta_{\mathrm{c}}$ is studied in the decay modes...

Measurement of an elongation of the pion source in Z decays (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure Bose-Einstein correlations between like-sign charged pion pairs in hadronic Z~decays with the L3 detector at LEP. The analysis is performed in three dimensions in the longitudinal...

Measurement of Mass and Width of the W Boson at LEP (2006)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e+e- interactions between 161 GeV and 183 GeV centre-of-mass energy...

Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays (2006)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic $\mathrm{Z}$ decays collected with the L3 detector at LEP. The analysis is...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

A Study of cosmic ray secondaries induced by the Mir Space Station using AMS-01 (2005)

Aguilar, M., Alcaraz, J., Allaby, J., Alpat, B., Ambrosi, G., Anderhub, H., ...

The Alpha Magnetic Spectrometer (AMS-02) is a high energy particle physics experiment that will study cosmic rays in the $\sim 100 \mathrm{MeV}$ to $1 \mathrm{TeV}$ range and will be installed on the...

Protons in near earth orbit (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380km. Above the geomagnetic...

Search for antihelium in cosmic rays (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10^6 helium nuclei...

Search for antihelium in cosmic rays (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10^6 helium nuclei...

Protons in near earth orbit (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380km. Above the geomagnetic...

Search for antihelium in cosmic rays (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10^6 helium nuclei...

Protons in near earth orbit (2005)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380km. Above the geomagnetic...

Precision electroweak measurements on the Z resonance (2005)

Schael, S., Barate, R., Brunelière, R., Buskulic, D., De Bonis, I., Décamp, D., ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

A Study of cosmic ray secondaries induced by the Mir Space Station using AMS-01 (2005)

Aguilar, M., Alcaraz, J., Allaby, J., Alpat, B., Ambrosi, G., Anderhub, H., ...

The Alpha Magnetic Spectrometer (AMS-02) is a high energy particle physics experiment that will study cosmic rays in the $\sim 100 \mathrm{MeV}$ to $1 \mathrm{TeV}$ range and will be installed on the...

Precision electroweak measurements on the Z resonance (2005)

Schael, S., Barate, R., Brunelière, R., Buskulic, D., De Bonis, I., Décamp, D., ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

A Study of cosmic ray secondaries induced by the Mir Space Station using AMS-01 (2005)

Aguilar, M., Alcaraz, J., Allaby, J., Alpat, B., Ambrosi, G., Anderhub, H., ...

The Alpha Magnetic Spectrometer (AMS-02) is a high energy particle physics experiment that will study cosmic rays in the $\sim 100 \mathrm{MeV}$ to $1 \mathrm{TeV}$ range and will be installed on the...

Measurement of charged-particle multiplicity distributions and their H-q moments in hadronic Z decays at LEP (2003)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e(+)e(-) collisions at the Z pole. Moments of the...

Measurement of charged-particle multiplicity distributions and their $H_q$ moments in hadronic Z decays at LEP (2003)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e+e- collisions at the Z pole. Moments of the...

Measurement of the charged-particle multiplicity and inclusive momentum distributions in Z decays at LEP (2003)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution and the inclusive momentum distribution, in terms of the variable $\xi$, are measured for all hadronic events as well as for light-quark and b-quark...

Measurement of charged-particle multiplicity distributions and their $H_q$ moments in hadronic Z decays at LEP (2003)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e+e- collisions at the Z pole. Moments of the...

Measurement of the charged-particle multiplicity and inclusive momentum distributions in Z decays at LEP (2003)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The charged-particle multiplicity distribution and the inclusive momentum distribution, in terms of the variable $\xi$, are measured for all hadronic events as well as for light-quark and b-quark...

Measurement of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ Events at LEP (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb$^{-1}$ collected by the L3 detector at $\sqrt{s}=$ 189--209\,GeV. Bose-Einstein correlations between...

Production of Single W Bosons at LEP and Measurement of $WW\gamma$ Gauge Coupling Parameters (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

\documentclass[12pt,a4paper,dvips]{article} \begin{document} \begin{center} {Production of Single W Bosons at LEP and \\ Measurement of \boldmath$\rm W W \gamma$ Gauge Coupling Parameters}...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^{+}e^{-}$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

Search for Single Top Production at LEP (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

The $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The cross section of the process e^+ e^- -> Z \gamma\gamma -> qq~ \gamma \gamma is measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies...

Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. By comparing two- and...

Inclusive $D*^{+-}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

$\Lambda$ and $\Sigma^{0}$ Pair Production in Two-Photon Collisions at LEP (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- centre-of-mass energies from 91 GeV to 208 GeV,...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s)>192 GeV. The distributions of several event shape variables are compared to...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The process e+ e- -> n gamma with n>=2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Search for Single Top Production at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

Measurement of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ Events at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb$^{-1}$ collected by the L3 detector at $\sqrt{s}=$ 189--209\,GeV. Bose-Einstein correlations between...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

The $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The cross section of the process e^+ e^- -> Z \gamma\gamma -> qq~ \gamma \gamma is measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies...

Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. By comparing two- and...

$\Lambda$ and $\Sigma^{0}$ Pair Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- centre-of-mass energies from 91 GeV to 208 GeV,...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+ e- -> n gamma with n =2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Double-Tag Events in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Double-tag events in two-photon collisions are studied using the L3 detector at LEP centre-of-mass energies from root(s)=189 GeV to 209 GeV. The cross sections of the e+e- -> e+e- hadrons and...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Inclusive $D^{\star\pm}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

Study of the $W^+W^-\gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192...

f$_1$(1285) Formation in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The $\eta \pi^+ \pi^-$ final state in two-photon collisions is studied with the L3 detector at LEP, at centre-of-mass energies from 183 to 209~GeV with an integrated luminosity of 664.6~pb$^{-1}$....

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic $\mathrm{Z}$ decays collected with the L3 detector at LEP. The analysis is...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Search for Single Top Production at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

Measurement of Bose-Einstein Correlations in $e^{+}e^{-}\to W^{+}W^{-}$ Events at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb$^{-1}$ collected by the L3 detector at $\sqrt{s}=$ 189--209\,GeV. Bose-Einstein correlations between...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

The $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The cross section of the process e^+ e^- -> Z \gamma\gamma -> qq~ \gamma \gamma is measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies...

Measurement of Genuine Three-Particle Bose-Einstein Correlations in Hadronic Z decay (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. By comparing two- and...

$\Lambda$ and $\Sigma^{0}$ Pair Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- centre-of-mass energies from 91 GeV to 208 GeV,...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+ e- -> n gamma with n =2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Double-Tag Events in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Double-tag events in two-photon collisions are studied using the L3 detector at LEP centre-of-mass energies from root(s)=189 GeV to 209 GeV. The cross sections of the e+e- -> e+e- hadrons and...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Inclusive $D^{\star\pm}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

Study of the $W^+W^-\gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192...

f$_1$(1285) Formation in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The $\eta \pi^+ \pi^-$ final state in two-photon collisions is studied with the L3 detector at LEP, at centre-of-mass energies from 183 to 209~GeV with an integrated luminosity of 664.6~pb$^{-1}$....

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic $\mathrm{Z}$ decays collected with the L3 detector at LEP. The analysis is...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Search for Single Top Production at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+ e- -> n gamma with n =2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Inclusive $D^{\star\pm}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

Study of the $W^+W^-\gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192...

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

The Alpha Magnetic Spectrometer (AMS) (2002)

Alcaraz, J., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., Arefiev, A., ...

The Alpha Magnetic Spectrometer (AMS) is a large acceptance (0.65 sr m(2)) detector designed to operate in the International Space Station (ISS) for three years. The purposes of the experiment are to...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+ e- -> n gamma with n =2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Inclusive $D^{\star\pm}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Study of the $W^+W^-\gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

Search for Single Top Production at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

Study of Multiphoton Final States and Tests of QED in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+ e- -> n gamma with n =2 is studied at centre-of-mass energies ranging from \root(s)=192 to 208 GeV. The data sample corresponds to a total integrated luminosity of 427 1/pb. The total...

Inclusive $D^{\star\pm}$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Inclusive D^{*+-} production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb^{-1} of data collected at centre-of-mass energies from 183 to 208 GeV. Differential cross...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Study of the $W^+W^-\gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from 192...

Search for a Higgs Boson Decaying into Two Photons at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are...

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$ up to 209 GeV (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for the lightest neutral CP-even and neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 216.6 pb-1 of data collected with the L3 detector at LEP at...

Search for Single Top Production at LEP (2002)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Single top production in e^+e^- annihilations is searched for in data collected by the L3 detector at centre-of-mass energies from 189 to 209 GeV, corresponding to a total integrated luminosity of...

Study of the $W^+ W^- \gamma$ Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The process e+e- --> W+ W- \gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mass energies from...

Double-Tag Events in Two-Photon Collisions at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Double-tag events in two-photon collisions are studied using the L3 detector at LEP centre-of-mass energies from root(s)=189 GeV to 209 GeV. The cross sections of the e+e- -> e+e- hadrons and...

Measurement of charged-particle multiplicity distributions and their $H_q$ moments in hadronic Z decays at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The charged-particle multiplicity distribution and the inclusive momentum distribution, in terms of the variable $\xi$, are measured for all hadronic events as well as for light-quark and b-quark...

f$_1$(1285) Formation in Two-Photon Collisions at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The $\eta \pi^+ \pi^-$ final state in two-photon collisions is studied with the L3 detector at LEP, at centre-of-mass energies from 183 to 209~GeV with an integrated luminosity of 664.6~pb$^{-1}$....

Search for R-parity Violating Decays of Supersymmetric Particles in $e^+ e^-$ Collisions at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

A search, in $e^+ e^-$ collisions, for chargino, neutralino, scalar lepton and scalar quark pair-production is performed, without assuming R-parity conservation in decays, in the case that only one...

Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic $\mathrm{Z}$ decays collected with the L3 detector at LEP. The analysis is...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Inclusive $\pi^0$ and $K^0_S$ Production in Two-Photon Collisions at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

The reactions $e^+e^- \to e^+e^-\pi^0$ X and $e^+e^- \to e^+e^-K^0_S$ X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, Allaby, James V, ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Measurement of the Tau Branching Fractions into Leptons (2001)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Using data collected with the L3 detector near the Z resonance, corresponding to an integrated luminosity of 150pb-1, the branching fractions of the tau lepton into electron and muon are measured to...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Measurement of the Charm Production Cross Section in gamma gamma Collisions at LEP (2001)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Measurement of the Tau Branching Fractions into Leptons (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Using data collected with the L3 detector near the Z resonance, corresponding to an integrated luminosity of 150pb-1, the branching fractions of the tau lepton into electron and muon are measured to...

Search for the Standard Model Higgs boson $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Measurement of the Charm Production Cross Section in $\gamma \gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)= 189 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in...

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

$K^{0}_{S} K^{0}_{S}$ Final State in Two-Photon Collisions and Implications for Glueballs (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $\mbox{K}^0_{\rm S}\mbox{K}^0_{\rm S}$ final state in two-photon collisions is studied with the L3 detector at LEP. The mass spectrum is dominated by the formation of the $f'_{2}$(1525) tensor...

Light Resonances in $K^{0}_{S} K^{\pm}\pi^{\mp}$ and $\eta \pi^{+} \pi^{-}$ final states in $\gamma\gamma$ collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $e^+ e^- \rightarrow e^+ e^- K^{0}_{s} K^{\pm} pi^{\mp}$ and $e^+ e^- \rightarrow e^+ e^- \eta \pi^{+} \pi^{-}$ final states are studied with the L3 detector at LEP using data collected at...

Study of Z Boson Pair Production in $e^{+}e^{-}$ -Interactions at $\sqrt{s}=192-202$ GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to...

Measurement of the Tau Branching Fractions into Leptons (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Using data collected with the L3 detector near the Z resonance, corresponding to an integrated luminosity of 150pb-1, the branching fractions of the tau lepton into electron and muon are measured to...

Search for the Standard Model Higgs boson $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Measurement of the Charm Production Cross Section in $\gamma \gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)= 189 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in...

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

$K^{0}_{S} K^{0}_{S}$ Final State in Two-Photon Collisions and Implications for Glueballs (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $\mbox{K}^0_{\rm S}\mbox{K}^0_{\rm S}$ final state in two-photon collisions is studied with the L3 detector at LEP. The mass spectrum is dominated by the formation of the $f'_{2}$(1525) tensor...

Light Resonances in $K^{0}_{S} K^{\pm}\pi^{\mp}$ and $\eta \pi^{+} \pi^{-}$ final states in $\gamma\gamma$ collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The $e^+ e^- \rightarrow e^+ e^- K^{0}_{s} K^{\pm} pi^{\mp}$ and $e^+ e^- \rightarrow e^+ e^- \eta \pi^{+} \pi^{-}$ final states are studied with the L3 detector at LEP using data collected at...

Study of Z Boson Pair Production in $e^{+}e^{-}$ -Interactions at $\sqrt{s}=192-202$ GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to...

Search for the Standard Model Higgs boson $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the expectations...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Measurement of the Charm Production Cross Section in $\gamma \gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)= 189 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in...

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

Study of Z Boson Pair Production in $e^{+}e^{-}$ -Interactions at $\sqrt{s}=192-202$ GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to...

Study of Z Boson Pair Production in $e^{+}e^{-}$ -Interactions at $\sqrt{s}=192-202$ GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)= 189 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in...

Measurement of the Charm Production Cross Section in $\gamma \gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Search for the Standard Model Higgs boson $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the expectations...

Study of Z Boson Pair Production in $e^{+}e^{-}$ -Interactions at $\sqrt{s}=192-202$ GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in e^+e^- collisions at centre-of-mass energies ranging from 192 GeV up to...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Study of the $e^+ e^- \to Z\gamma\gamma \to q\overline{q}\gamma\gamma$ Process at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process e^+e^- -> Z gamma gamma -> q q~ gamma gamma$ is studied in 0.5\,fb-1$ of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are...

Search for R-parity Violating Decays of Supersymmetric Particles in e+e- Collisions at root(s)= 189 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino, neutralino and scalar lepton pair-production in e+e- collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not conserved in...

Measurement of the Charm Production Cross Section in $\gamma \gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Open charm production in gamma-gamma collisions is studied with data collected at e+e- centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb-1. The...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

Search for Heavy Isosinglet Neutrino in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard $SU(2)_L$ gauge group. The data collected with the L3 detector at center-of-mass energies...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror natures of heavy...

Standard Model Higgs Boson with the L3 Experiment at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Final results of the search for the Standard Model Higgs boson are presented for the data collected by the L3 detector at LEP at centre-of-mass energies up to about 209 GeV. These data are compared...

Measurement of the Topological Branching Fractions of the $\tau$ lepton at LEP (2001)

Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the $\tau$ lepton into one, three and five charged particles to be:...

Total Cross Section in $\gamma\gamma$ Collisions at LEP (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The reaction e+e- -> e+e- gamma* gamma* -> e+e- hadrons for quasi-real photons is studied using data from root(s) = 183 GeV up to 202 GeV. Results on the total cross sections sigma(e+e- -> e+e-...

Search for the Standard Model Higgs boson $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2001)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the expectations...

Search for the Standard Model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The Standard Model Higgs boson is searched for in 233.2 pb-1 of data collected by the L3 detector at centre of mass energies from 192 GeV to 202 GeV. These data are consistent with the expectations...

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ Interactions at $\sqrt{s}$=192-202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for the lightest neutral CP-even and the neutral CP-odd Higgs bosons of the Minimal Supersymmetric Standard Model is performed using 233.2 pb-1 of integrated luminosity collected with the L3...

Measurements of the Cross Sections for Open Charm and Beauty Production in $\gamma\gamma$ Collisions at $\sqrt{s}$ = 189-202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The production of c and b quarks in gamma-gamma collisions is studied with the L3 detector at LEP with 410 pb^-1 of data, collected at centre-of-mass energies from 189 GeV to 202 GeV. Hadronic final...

Search for Excited Leptons in $e^+ e^-$ Interactions at $\sqrt{s}$=192 - 202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Excited leptons are searched for using the L3 detector at LEP. The data collected at centre-of-mass energies in the range from 192 up to 202 GeV correspond to a total luminosity of 233 $\rm pb^{-1}$....

Higgs Candidates in $e^+ e^-$ Interactions at $\sqrt{s}$= 206.6 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

In a search for the Standard Model Higgs boson, carried out on 212.5~$\mathrm{pb^{-1}}$ of data collected by the L3 detector at the highest LEP centre-of-mass energies, including...

$K^{0}_{S} K^{0}_{S}$ Final State in Two-Photon Collisions and Implications for Glueballs (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The $\mbox{K}^0_{\rm S}\mbox{K}^0_{\rm S}$ final state in two-photon collisions is studied with the L3 detector at LEP. The mass spectrum is dominated by the formation of the $f'_{2}$(1525) tensor...

Light Resonances in $K^{0}_{S} K^{\pm}\pi^{\mp}$ and $\eta \pi^{+}\pi^{-}$ final states in $\gamma\gamma$ collisions at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The $e^+ e^- \rightarrow e^+ e^- K^{0}_{s} K^{\pm} pi^{\mp}$ and $e^+ e^- \rightarrow e^+ e^- \eta \pi^{+} \pi^{-}$ final states are studied with the L3 detector at LEP using data collected at...

Search for R-parity Violating Decays of Supersymmetric Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for chargino, neutralino and scalar lepton pair-production in $\mathrm{e^+e^-}$ collisions at the centre-of-mass energy of 189 GeV is performed under the assumptions that R-parity is not...

Study of Z Boson Pair Production in $e^+ e^-$ Interactions at $\sqrt{s}$ = 192-202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The cross section for the production of Z boson pairs is measured using the data collected by the L3 detector at LEP in 1999 in $\rm e^+e^-$ collisions at centre--of--mass energies ranging from 192...

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Measurement of Bose-Einstein Correlations in $e^{+}e^{-} \to W^{+}W^{-}$ at $\sqrt{s}\simeq$ 189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We investigate \BE\ correlations (BEC) in W-pair production at $\sqrt{s}\simeq189 \GeV$ using the L3 detector at LEP. We observe BEC between particles from a single W~decay in good agreement with...

Measurement of the $W^{+}W^{-}\gamma$ Cross Section and Direct Limits on Anomalous Quartic Gauge Couplings at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The process e$^+$e$^-\rightarrow {\rm W}^+{\rm W}^-\gamma$ is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of $188.6$ GeV, corresponding to an integrated...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We search for a Higgs particle with anomalous couplings in the $\mathrm{e}^+\mathrm{e}^-\rightarrow\mathrm{H}\gamma$, $\mathrm{e}^+\mathrm{e}^-\rightarrow\mathrm{H}\mathrm{Z}$ and...

Search for a Higgs Boson Decaying into Two Photons in $e{^+} e^{-}$ Interactions at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of $188.6~\rm{Ge\kern -0.1em V}$ are used to measure the W-pair production cross section and the W-boson decay branching...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Search for Manifestations of New Physics in Fermion-Pair Production at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

Search for Anomalous $ZZ\gamma$ and $Z\gamma\gamma$ couplings in the process $e^{+}e^{-} \to Z\gamma$ at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We search for anomalous trilinear gauge couplings in the ${\rm ZZ}\gamma$ and ${\rm Z}\gamma\gamma$ vertices using data collected with the L3 detectorat LEP at a centre--of--mass energy...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma( e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Photon structure functions and azimuthal correlations of lepton pairs in tagged $\gamma\gamma$ collisions (2000)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, ...

Measurements of the QED structure of the photon based on the reaction ee to ee gamma /sup (*)/(P/sup 2/) gamma *(Q/sup 2/) to ee mu mu are discussed. This review is an update of the discussion of the...

Search for an invisibly decaying Higgs boson in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Measurement of the Photon Structure Function at High $Q^{2}$ at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied at...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M, Zöller, M, Zilizi, G, Ziegler, F, Zichichi, Antonino, Zhu, R Y, ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Inclusive $\Sigma^{+}$ and $\Sigma^{0}$ Production in Hadronic Z Decays (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Protons in near earth orbit (2000)

Alcaraz, J, Alvisi, D, Alpat, B, Ambrosi, G, Anderhub, H, Ao, L, ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measuredby the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 atan altitude of 380 km. Above the geomagnetic...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Search for Charginos with a Small Mass Difference to the Lightest Supersymmetric Particle at $\sqrt{s} = 189 GeV$ (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Hard-Photon Production and Tests of QED at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The total and differential cross sections of the process $\epem \ra n \gamma$ with $n \geq 2$ are measuredusing data collected by the L3 experiment at centre--of--mass energies of $\sqrt{s}=183$ and...

Measurement of the $e^{+}e^{-} \to Z\gamma\gamma$ Cross Section and Determination of Quartic Gauge Boson Couplings at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A first measurement of the cross section of the process$\rm e^+e^-\rightarrow Z\gamma\gamma$ is reported using a total integrated luminosity of 231\,pb$^{-1}$collected with the L3 detector at...

Measurement of the Running of the Fine-Structure Constant (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Small-angle Bhabha scattering data recorded at the Z resonance and large-angleBhabha scattering data recorded at $\sqrt{s} = 189$ \textrm{Ge\kern -0.1em V} bythe L3 detector at LEP are used to...

Measurement of Hadron and Lepton-Pair Production at 130 GeV $ < \sqrt{s} < $ 189 GeV at LEP (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report on measurements of $\mathrm{e^{+}e^{-}}$ annihilation into hadronsand lepton pairs.The data have been collected with the L3 detector at LEP at centre-of-massenergies between 130 and...

Direct Observation of Longitudinally Polarised $W^{\pm}$ Bosons (2000)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The three different helicity states of W bosons, produced in the reaction $e^+e^- \rightarrow W^+W^- \rightarrow \ell \nu q \overline{q}$are studied using leptonic and hadronic W decaysat $\sqrt{s}$...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of 188.6 GeV are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data...

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Higgs Candidates in $e^+ e^-$ Interactions at $\sqrt{s}$= 206.6 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

In a search for the Standard Model Higgs boson, carried out on 212.5~$\mathrm{pb^{-1}}$ of data collected by the L3 detector at the highest LEP centre-of-mass energies, including...

Measurement of Bose-Einstein Correlations in $e^+ e^- \to W^+ W^-$ at $\sqrt{s} \simeq$ 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We investigate Bose-Einstein correlations (BEC) in W-pair production at $\sqrt{s}\simeq 189 \GeV$ using the L3 detector at LEP. We observe BEC between particles from a single W decay in good...

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous QuarticGauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process $e+e- ->$ W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb$^{-1}$....

Search for anomalous $ZZ\gamma$ and $Z\gamma\gamma$ couplings in the process $e^+e^- \to Z\gamma$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We search for anomalous trilinear gauge couplings in the ${\rm ZZ}\gamma$ and ${\rm Z}\gamma\gamma$ vertices using data collected with the L3 detectorat LEP at a centre--of--mass energy...

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Search for manifestations of new physics in fermion-pair production at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: We search for a Higgs particle with anomalous couplings in the e+e- -> H gamma, e+e- -> HZ and e+e- -> He+e- processes with the L3 detector at LEP. We explore the mass range 70GeV m_H...

Search for a Higgs boson decaying into two photons in $e^{+}e^{-}$ interactions at $sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Measurement of Hadron and Lepton-Pair Production at 130 GeV $ \sqrt{s} $ 189 GeV at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^{+}e^{-}}$ annihilation into hadronsand lepton pairs.The data have been collected with the L3 detector at LEP at centre-of-massenergies between 130 and...

Search for an invisibly decaying Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma(e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Inclusive $\Sigma^+$ and $\Sigma^0$ Production in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Measurement of the Photon Structure Function at High $Q^2$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied...

Protons in near earth orbit (2000)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380km. Above the geomagnetic...

Search for charginos with a small mass difference to the lightest supersymmetric particle at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Measurement of the $e^+ e^- \rightarrow$ Z$\gamma\gamma$ Cross Section and Determination of Quartic Gauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A first measurement of the cross section of the process$\rm e^+e^-\rightarrow Z\gamma\gamma$ is reported using a total integrated luminosity of 231\,pb$^{-1}$collected with the L3 detector at...

Measurement of $R_{b}$ and $BR(b \to \ell \nu X)$ at LEP Using Double-Tag Methods (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Direct Observation of Longitudinally Polarised $W^{\pm}$ Bosons (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The three different helicity states of W bosons, produced in the reaction $e^+e^- \rightarrow W^+W^- \rightarrow \ell \nu q \overline{q}$are studied using leptonic and hadronic W decaysat $\sqrt{s}$...

Measurement of the Running of the Fine-Structure Constant (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Small-angle Bhabha scattering data recorded at the Z resonance and large-angleBhabha scattering data recorded at $\sqrt{s} = 189$ \textrm{Ge\kern -0.1em V} bythe L3 detector at LEP are used to...

Hard-Photon Production and Tests of QED at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The total and differential cross sections of the process $\epem \ra n \gamma$ with $n \geq 2$ are measuredusing data collected by the L3 experiment at centre--of--mass energies of...

Search for Charginos and Neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of 188.6 GeV are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data...

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Higgs Candidates in $e^+ e^-$ Interactions at $\sqrt{s}$= 206.6 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

In a search for the Standard Model Higgs boson, carried out on 212.5~$\mathrm{pb^{-1}}$ of data collected by the L3 detector at the highest LEP centre-of-mass energies, including...

Measurement of Bose-Einstein Correlations in $e^+ e^- \to W^+ W^-$ at $\sqrt{s} \simeq$ 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We investigate Bose-Einstein correlations (BEC) in W-pair production at $\sqrt{s}\simeq 189 \GeV$ using the L3 detector at LEP. We observe BEC between particles from a single W decay in good...

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous QuarticGauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process $e+e- ->$ W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb$^{-1}$....

Search for anomalous $ZZ\gamma$ and $Z\gamma\gamma$ couplings in the process $e^+e^- \to Z\gamma$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We search for anomalous trilinear gauge couplings in the ${\rm ZZ}\gamma$ and ${\rm Z}\gamma\gamma$ vertices using data collected with the L3 detectorat LEP at a centre--of--mass energy...

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Search for manifestations of new physics in fermion-pair production at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: We search for a Higgs particle with anomalous couplings in the e+e- -> H gamma, e+e- -> HZ and e+e- -> He+e- processes with the L3 detector at LEP. We explore the mass range 70GeV m_H...

Search for a Higgs boson decaying into two photons in $e^{+}e^{-}$ interactions at $sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Measurement of Hadron and Lepton-Pair Production at 130 GeV $ \sqrt{s} $ 189 GeV at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of $\mathrm{e^{+}e^{-}}$ annihilation into hadronsand lepton pairs.The data have been collected with the L3 detector at LEP at centre-of-massenergies between 130 and...

Search for an invisibly decaying Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma(e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Inclusive $\Sigma^+$ and $\Sigma^0$ Production in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Measurement of the Photon Structure Function at High $Q^2$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied...

Protons in near earth orbit (2000)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380km. Above the geomagnetic...

Search for charginos with a small mass difference to the lightest supersymmetric particle at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Measurement of the $e^+ e^- \rightarrow$ Z$\gamma\gamma$ Cross Section and Determination of Quartic Gauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A first measurement of the cross section of the process$\rm e^+e^-\rightarrow Z\gamma\gamma$ is reported using a total integrated luminosity of 231\,pb$^{-1}$collected with the L3 detector at...

Measurement of $R_{b}$ and $BR(b \to \ell \nu X)$ at LEP Using Double-Tag Methods (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Direct Observation of Longitudinally Polarised $W^{\pm}$ Bosons (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The three different helicity states of W bosons, produced in the reaction $e^+e^- \rightarrow W^+W^- \rightarrow \ell \nu q \overline{q}$are studied using leptonic and hadronic W decaysat $\sqrt{s}$...

Measurement of the Running of the Fine-Structure Constant (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Small-angle Bhabha scattering data recorded at the Z resonance and large-angleBhabha scattering data recorded at $\sqrt{s} = 189$ \textrm{Ge\kern -0.1em V} bythe L3 detector at LEP are used to...

Hard-Photon Production and Tests of QED at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Abstract: The total and differential cross sections of the process $\epem \ra n \gamma$ with $n \geq 2$ are measuredusing data collected by the L3 experiment at centre--of--mass energies of...

Search for Charginos and Neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of 188.6 GeV are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data...

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous QuarticGauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process $e+e- ->$ W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb$^{-1}$....

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Search for manifestations of new physics in fermion-pair production at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We search for a Higgs particle with anomalous couplings in the e+e- -> H gamma, e+e- -> HZ and e+e- -> He+e- processes with the L3 detector at LEP. We explore the mass range 70GeV m_H 170GeV using...

Search for a Higgs boson decaying into two photons in $e^{+}e^{-}$ interactions at $sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Search for an invisibly decaying Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma(e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Inclusive $\Sigma^+$ and $\Sigma^0$ Production in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Measurement of the Photon Structure Function at High $Q^2$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied at...

Search for charginos with a small mass difference to the lightest supersymmetric particle at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Measurement of $R_{b}$ and $BR(b \to \ell \nu X)$ at LEP Using Double-Tag Methods (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Search for Charginos and Neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Search for an invisibly decaying Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Search for Charginos and Neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Measurement of $R_{b}$ and $BR(b \to \ell \nu X)$ at LEP Using Double-Tag Methods (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Search for charginos with a small mass difference to the lightest supersymmetric particle at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Measurement of the Photon Structure Function at High $Q^2$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied at...

Inclusive $\Sigma^+$ and $\Sigma^0$ Production in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma(e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

Search for a Higgs boson decaying into two photons in $e^{+}e^{-}$ interactions at $sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We search for a Higgs particle with anomalous couplings in the e+e- -> H gamma, e+e- -> HZ and e+e- -> He+e- processes with the L3 detector at LEP. We explore the mass range 70GeV m_H 170GeV using...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Search for manifestations of new physics in fermion-pair production at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous QuarticGauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process $e+e- ->$ W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb$^{-1}$....

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of 188.6 GeV are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Search for an invisibly decaying Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$ = 183-189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for a Higgs boson decaying into invisible particles is performed using the datacollected at LEP by the L3 experiment at centre-of-mass energies of$183\gev{}$ and $189\gev{}$. The integrated...

Search for Charginos and Neutralinos in $e^+ e^-$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Measurement of $R_{b}$ and $BR(b \to \ell \nu X)$ at LEP Using Double-Tag Methods (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Search for charginos with a small mass difference to the lightest supersymmetric particle at $\sqrt{s}$ = 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for charginos nearly mass-degenerate with the lightestsupersymmetric particle isperformed using the 176 {pb$^{-1}$ of data collected at 189 {Ge\kern -0.1em V} in 1998 with the L3detector....

Measurement of the Photon Structure Function at High $Q^2$ at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The structure functions of real and virtual photons are derivedfrom cross section measurements of the reaction$\rm e^+e^-\rightarrow e^+e^- + \hbox{hadrons}$ at LEP.The reaction is studied at...

Inclusive $\Sigma^+$ and $\Sigma^0$ Production in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the inclusive production rate of $\Sigma^+$ and $\Sigma^0$ baryons in hadronic Z decays collected with the L3 detector at LEP. The $\Sigma^+$ baryons are detected through...

Measurements of the $b\overline{b}$ production cross section and forward- backward asymmetry at centre-of-mass energies above the Z pole at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of $R_{b} = \sigma(e^+e^-} \to b\overline{b})/\sigma(e^+e^-} \to{m q\overline{q})$ and of the b quarkforward--backward charge asymmetry,$A_fb}^{b}$, at centre--of--mass energies...

Measurement of the Lifetime of the $\tau$ Lepton (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The tau lepton lifetime is measured with the L3 detector at LEP using the complete data taken at centre-of-mass energies around the Z pole resulting in...

Measurements of Cross Sections and Forward-Backward Asymmetries at the Z Resonance and Determination of Electroweak Parameters (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of hadronic and leptonic cross sections and leptonic forward-backward asymmetries performed with the L3 detector in the years $1993-95$.A total luminosity of 103 pb$^{-1}$...

Production of Single W Bosons at $\sqrt{s}$ = 189 GeV and Measurement of WW$\gamma$ Gauge Couplings (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Single W boson production in electron-positron collisions is studied with the L3 detector at LEP. The data sample collected at a centre-of-mass energy of $\sqrt{s} = 188.7 \mathrm{\ Ge\kern -0.1em...

Search for a Higgs boson decaying into two photons in $e^{+}e^{-}$ interactions at $sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV. All decay modes...

Search for anomalous couplings in the Higgs sector at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We search for a Higgs particle with anomalous couplings in the e+e- -> H gamma, e+e- -> HZ and e+e- -> He+e- processes with the L3 detector at LEP. We explore the mass range 70GeV m_H 170GeV using...

Determination of $\gamma/Z$ interference in $e^+ e^-$ annihilation at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

An S--Matrix ansatz is used to determine the mass and width of the Z boson, aswell as the contributions of $\gamma$/Z interference and Z boson exchange tofermion--pair production. For this purpose we...

Search for manifestations of new physics in fermion-pair production at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV...

QCD studies in $e^{+}e^{-}$ annihilation from 30 GeV to 189 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at various centre-of-mass energies.The distributions of event shape variables and the energy...

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous QuarticGauge Boson Couplings at LEP (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The process $e+e- ->$ W+W-gamma is analysed using the data collected with the L3 detector at LEP at a centre-of-mass energy of 188.6GeV, corresponding to an integrated luminosity of 176.8pb$^{-1}$....

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at Centre-of-Mass Energies up to 202 GeV (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies between 192 and 202 GeV, corresponding to an integrated...

Measurement of the W-Pair Production Cross Section and W-Decay Branching Fractions in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189 GeV$ (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The data collected by the L3 experiment at LEP at a centre-of-mass energy of 188.6 GeV are used to measure the W-pair production cross section and the W-boson decay branching fractions. These data...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (2000)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Measurement of the Probability of Gluon Splitting into Charmed Quarks in Hadronic Z Decays (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We have measured the probability, $\overline{n}_{\rm{g} \rightarrow c\overline{c}}$, of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two...

Search for extra dimensions in boson and fermion pair production in $e^{+}e^{-}$ interactions at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Extra spatial dimensions are proposed by recent theories that postulate the scale of gravity to be of the same order as the electroweak scale. A sizeable interaction between gravitons and Standard...

Search for neutral higgs bosons of the minimal supersymmetric standard model in $e^{+}e^{-}$ Interactions at $\sqrt{s}= 189$ GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed using 176.4 pb$^{-1}$ of integrated luminosity collected by L3...

Searches for scalar quarks in $e^{+}e^{-}$ interactions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No...

Search for Excited Leptons at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for excited leptons, $\rm e^*,~\mu^*, ~\tau^*, ~\nu_e^*, ~\nu_{\mu}^*$ and $\nu_{\tau}^*$, was performed with the L3 detector at LEP using data collected at a centre--of--mass energy of 189...

Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report on measurements of the triple-gauge-boson couplings of the W boson in $\mathrm{e^+e^-}$ collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed in a...

Search for scalar leptons in $e^{+}e^{-}$ collisions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$....

Search for Charginos and Neutralinos in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report the result of a search for charginos and neutralinos, in $\rm e^+e^-$ collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176...

Single and Multi-Photon Events with Missing Energy in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Single and multi-photon events with missing energy are analysed using data collected with the L3 detector at LEP at a centre-of-mass energy of 189 GeV, for a total of 176 pb$^{-1}$ of integrated...

Measurement of $R_{b}$ and $B_{r}(b \to l\nu X)$ at LEP Using Double-Tag Methods (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We present a combined measurement of $\Rb = \Gamma(\mathrm{Z \rightarrow b\overline{b}}) / \Gamma(\mathrm{Z} \rightarrow\mbox{hadro ns})$ and the semileptonic branching ratio of b quarks in Z decays,...

Study of Z boson pair production in $e^{+}e^{-}$ collisions at LEP at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in $\rm e^+e^-$ collisions at a centre--of--mass energy of 189\,GeV. All the visible final states...

Search for Charged Higgs Bosons in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of...

Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We measure the masses, decay widths and relative production rate of orbitally excited B mesons using $1.25$ million hadronic Z decays recorded by the L3 detector. B-meson candidates are inclusively...

Search for Low Scale Gravity Effects in $e^+ e^-$ Collisions at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Recent theories propose that quantum gravity effects may be observable at LEP energies via gravitons that couple to Standard Model particles and propagate into extra spatial dimensions. The...

Measurement of inclusive $D^{star plus minus}$ production in two-photon collisions at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Inclusive production of $\mathrm{D^{*\pm}}$ mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy $\sqrt{s} = 189$ GeV with an...

Search for the Standard Model Higgs boson in $e^+ e^-$ interactions at $\sqrt{s} = 189 GeV$ (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for the Standard Model Higgs boson is carried out on $176.4\ \mathrm{pb}^{-1}$ of data collected by the L3 detector at a center-of-mass energy of $189 \mathrm{\ Ge\kern -0.1em V}$. The data...

Search for Heavy Neutral and Charged Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$= 183 GeV and 189 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed at center-of-mass energies $\sqrt{s}$ = 183 and 189 GeV with the L3 detector at LEP....

Formation of the $\eta_c$ in Two-Photon Collisions at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

The two-photon width $\Gamma_{\gamma\gamma}$ of the $\eta_{\mathrm{c}}$ meson has been measured with the L3 detector at LEP. The $\eta_{\mathrm{c}}$ is studied in the decay modes...

Measurement of an elongation of the pion source in Z decays (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We measure Bose-Einstein correlations between like-sign charged pion pairs in hadronic Z~decays with the L3 detector at LEP. The analysis is performed in three dimensions in the longitudinal...

Search for R-parity Violating Chargino and Neutralino Decays in $e^+ e^-$ Collisions up to $\sqrt{s}$= 183 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

A search for chargino and neutralino pair production in $\mathrm{ e^+e^-}$ collisions at center-of-mass energies between 161~\textrm{Ge\kern -0.1em V} and 183~\textrm{Ge\kern -0.1em V} is performed...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report the result of a search for scalar leptons in $\mathrm{ e^+ e^-}$ collisions at 183 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 55.2...

Measurement of Mass and Width of the W Boson at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e+e- interactions between 161 GeV and 183 GeV centre-of-mass energy...

Heavy Quarkonium Production in Z Decays (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

We report measurements of the inclusive production of heavy quarkonium states in $\mathrm {Z}$ decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The...

Measurement of the cross-section for the process $\gamma^* \gamma^* \to$ hadrons at LEP (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 183 GeV are presented. The double-tag events, collected with the L3 detector, correspond to...

Study of Neutral-Current Four-Fermion and ZZ Production in $e^+ e^-$ Collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, M, Alcaraz, J, Alemanni, G, ...

Study of Neutral--Current Four--Fermion and ZZ \\ Production in $\rm e^+ e^-$ Collisions at $\rm \sqrt{s}=$ 183 GeV A study of neutral--current four--fermion processes is performed using a data...

Search for antihelium in cosmic rays (1999)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10^6 helium nuclei...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$....

Searches for Scalar Quarks in $e^+ e^-$ Interactions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No...

Search for Extra Dimensions in Boson and Fermion Pair Production in $e^+ e^-$ Interactions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Extra spatial dimensions are proposed by recent theories that postulate the scale of gravity to be of the same order as the electroweak scale. A sizeable interaction between gravitons and Standard...

Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the triple-gauge-boson couplings of the W boson in $\mathrm{e^+e^-}$ collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed in a...

Measurement of inclusive $D^{\star1}$ production in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Inclusive production of $\mathrm{D^{*\pm}}$ mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy $\sqrt{s} = 189$ GeV with an...

Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure the masses, decay widths and relative production rate of orbitally excited B mesons using $1.25$ million hadronic Z decays recorded by the L3 detector. B-meson candidates are inclusively...

Study of Z Boson Pair Production in $e^{+}e^{-}$ Collisions at LEP at $\sqrt{s}$=189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in $\rm e^+e^-$ collisions at a centre--of--mass energy of 189\,GeV. All the visible final states...

Search for Low Scale Gravity Effects in $e^+ e^-$ Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Recent theories propose that quantum gravity effects may be observable at LEP energies via gravitons that couple to Standard Model particles and propagate into extra spatial dimensions. The...

Formation of the $\eta_c$ in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The two-photon width $\Gamma_{\gamma\gamma}$ of the $\eta_{\mathrm{c}}$ meson has been measured with the L3 detector at LEP. The $\eta_{\mathrm{c}}$ is studied in the decay modes...

Measurement of an elongation of the pion source in Z decays (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure Bose-Einstein correlations between like-sign charged pion pairs in hadronic Z~decays with the L3 detector at LEP. The analysis is performed in three dimensions in the longitudinal...

Search for R-parity Violating Chargino and Neutralino Decays in $e^+ e^-$ Collisions up to $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino and neutralino pair production in $\mathrm{ e^+e^-}$ collisions at center-of-mass energies between 161~\textrm{Ge\kern -0.1em V} and 183~\textrm{Ge\kern -0.1em V} is performed...

Search for heavy neutral and charged leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 183 and 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for heavy neutrinos that are isosinglets under the standard $SU(2)_L$ gauge group is made at center-of-mass energies 130 $< \sqrt{s}

Search for the standard model Higgs boson in $e^+ e^-$ interactions at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson is carried out on $176.4\ \mathrm{pb}^{-1}$ of data collected by the L3 detector at a center-of-mass energy of $189 \mathrm{\ Ge\kern -0.1em V}$. The data...

Search for Heavy Isosinglet Neutrinos in $e^+ e^-$ Annihilation at 130 $< \sqrt{s} (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for heavy neutrinos that are isosinglets under the standard $SU(2)_L$ gauge group is made at center-of-mass energies 130 $< \sqrt{s}

Measurement of Mass and Width of the W Boson at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e+e- interactions between 161 GeV and 183 GeV centre-of-mass energy...

Measurement of the cross-section for the process $\gamma^{\star}\gamma^{\star} \to$ hadrons at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 183 GeV are presented. The double-tag events, collected with the L3 detector, correspond to...

Study of Neutral-Current Four-Fermion and ZZ Production in $e^+ e^-$ Collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Study of Neutral--Current Four--Fermion and ZZ \\ Production in $\rm e^+ e^-$ Collisions at $\rm \sqrt{s}=$ 183 GeV A study of neutral--current four--fermion processes is performed using a data...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

Heavy Quarkonium Production in Z Decays (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report measurements of the inclusive production of heavy quarkonium states in $\mathrm {Z}$ decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The...

The Q$^2$ evolution of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

New measurements at a centre-of-mass energy of 183 GeV of the hadronic photon structure function F2(x) in the Q2 interval, 9 GeV2 Q2 30 GeV2, are presented. The data, collected in 1997, with the L3...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for scalar leptons in $\mathrm{ e^+ e^-}$ collisions at 183 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 55.2...

Measurement of the $e^+ e^- \to Z \to b\overline{b}$ forward-backward asymmetry and the $B^{0}\overline{B}^0$ mixing parameter using prompt leptons (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The time-integrated $\mathrm{B}^{0}\bar{\mathrm{B}}^{0}$ mixing parameter and the forward-backward charge asymmetry in the process $\mathrm{e}^{+}\mathrm{e}^{-} \rightarrow...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

Search for antihelium in cosmic rays (1999)

Alcaraz, J., Alvisi, D., Alpat, B., Ambrosi, G., Anderhub, H., Ao, L., ...

The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degree orbit at altitudes between 320 and 390 km. A total of 2.86 * 10^6 helium nuclei...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$....

Searches for Scalar Quarks in $e^+ e^-$ Interactions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No...

Search for Extra Dimensions in Boson and Fermion Pair Production in $e^+ e^-$ Interactions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Extra spatial dimensions are proposed by recent theories that postulate the scale of gravity to be of the same order as the electroweak scale. A sizeable interaction between gravitons and Standard...

Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the triple-gauge-boson couplings of the W boson in $\mathrm{e^+e^-}$ collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed in a...

Measurement of inclusive $D^{\star1}$ production in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Inclusive production of $\mathrm{D^{*\pm}}$ mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy $\sqrt{s} = 189$ GeV with an...

Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure the masses, decay widths and relative production rate of orbitally excited B mesons using $1.25$ million hadronic Z decays recorded by the L3 detector. B-meson candidates are inclusively...

Study of Z Boson Pair Production in $e^{+}e^{-}$ Collisions at LEP at $\sqrt{s}$=189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in $\rm e^+e^-$ collisions at a centre--of--mass energy of 189\,GeV. All the visible final states...

Search for Low Scale Gravity Effects in $e^+ e^-$ Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Recent theories propose that quantum gravity effects may be observable at LEP energies via gravitons that couple to Standard Model particles and propagate into extra spatial dimensions. The...

Formation of the $\eta_c$ in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The two-photon width $\Gamma_{\gamma\gamma}$ of the $\eta_{\mathrm{c}}$ meson has been measured with the L3 detector at LEP. The $\eta_{\mathrm{c}}$ is studied in the decay modes...

Measurement of an elongation of the pion source in Z decays (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure Bose-Einstein correlations between like-sign charged pion pairs in hadronic Z~decays with the L3 detector at LEP. The analysis is performed in three dimensions in the longitudinal...

Search for R-parity Violating Chargino and Neutralino Decays in $e^+ e^-$ Collisions up to $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for chargino and neutralino pair production in $\mathrm{ e^+e^-}$ collisions at center-of-mass energies between 161~\textrm{Ge\kern -0.1em V} and 183~\textrm{Ge\kern -0.1em V} is performed...

Search for heavy neutral and charged leptons in e$^+$e$^-$ annihilation at $\sqrt{s}$ = 183 and 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for heavy neutrinos that are isosinglets under the standard $SU(2)_L$ gauge group is made at center-of-mass energies 130 $< \sqrt{s}

Search for the standard model Higgs boson in $e^+ e^-$ interactions at $\sqrt{s}$ = 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for the Standard Model Higgs boson is carried out on $176.4\ \mathrm{pb}^{-1}$ of data collected by the L3 detector at a center-of-mass energy of $189 \mathrm{\ Ge\kern -0.1em V}$. The data...

Search for Heavy Isosinglet Neutrinos in $e^+ e^-$ Annihilation at 130 $< \sqrt{s} (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

A search for heavy neutrinos that are isosinglets under the standard $SU(2)_L$ gauge group is made at center-of-mass energies 130 $< \sqrt{s}

Measurement of Mass and Width of the W Boson at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the mass and total decay width of the W boson with the L3 detector at LEP. W-pair events produced in e+e- interactions between 161 GeV and 183 GeV centre-of-mass energy...

Measurement of the cross-section for the process $\gamma^{\star}\gamma^{\star} \to$ hadrons at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Measurements of the two-photon interaction e+e- --> e+e- hadrons at sqrt(s) = 91 GeV and sqrt(s) = 183 GeV are presented. The double-tag events, collected with the L3 detector, correspond to...

Study of Neutral-Current Four-Fermion and ZZ Production in $e^+ e^-$ Collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Study of Neutral--Current Four--Fermion and ZZ \\ Production in $\rm e^+ e^-$ Collisions at $\rm \sqrt{s}=$ 183 GeV A study of neutral--current four--fermion processes is performed using a data...

$\chi_{c2}$ formation in two-photon collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Two-photon formation of the charmonium resonance $\chi_{{\rm c}2}$ has been studied with the L3 detector at LEP. The $\chi_{{\rm c}2}$ is identified through its decay $\chi_{{\rm c}2} \rightarrow...

Inclusive Charm Production in Two-Photon Collisions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The cross section of charm production in $\mathrm{\gamma \gamma}$ collisions $\mathrm{\sigma (e^+e^- \rightarrow e^+e^-c\bar{c} X)}$ is measured at LEP with the L3 detector at centre of mass energies...

Heavy Quarkonium Production in Z Decays (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report measurements of the inclusive production of heavy quarkonium states in $\mathrm {Z}$ decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The...

The Q$^2$ evolution of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

New measurements at a centre-of-mass energy of 183 GeV of the hadronic photon structure function F2(x) in the Q2 interval, 9 GeV2 Q2 30 GeV2, are presented. The data, collected in 1997, with the L3...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 183 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for scalar leptons in $\mathrm{ e^+ e^-}$ collisions at 183 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 55.2...

Measurement of the $e^+ e^- \to Z \to b\overline{b}$ forward-backward asymmetry and the $B^{0}\overline{B}^0$ mixing parameter using prompt leptons (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The time-integrated $\mathrm{B}^{0}\bar{\mathrm{B}}^{0}$ mixing parameter and the forward-backward charge asymmetry in the process $\mathrm{e}^{+}\mathrm{e}^{-} \rightarrow...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1999)

Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...

A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from \mbox{130 to 183 \GeV{}}, corresponding to an integrated...

Search for Scalar Leptons in $e^+ e^-$ collisions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$....

Searches for Scalar Quarks in $e^+ e^-$ Interactions at $\sqrt{s}$= 189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No...

Search for Extra Dimensions in Boson and Fermion Pair Production in $e^+ e^-$ Interactions at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

Extra spatial dimensions are proposed by recent theories that postulate the scale of gravity to be of the same order as the electroweak scale. A sizeable interaction between gravitons and Standard...

Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We report on measurements of the triple-gauge-boson couplings of the W boson in $\mathrm{e^+e^-}$ collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed in a...

Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

We measure the masses, decay widths and relative production rate of orbitally excited B mesons using $1.25$ million hadronic Z decays recorded by the L3 detector. B-meson candidates are inclusively...

Study of Z Boson Pair Production in $e^{+}e^{-}$ Collisions at LEP at $\sqrt{s}$=189 GeV (1999)

Acciarri, M., Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...

The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in $\rm e^+e^-$ collisions at a centre--of--mass energy of 189\,GeV. All the visible final states...

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