Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Measurements of inclusive production of the Lambda, Xi(-) and Xi*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for...
Kumar, S., Kasseckert, S., Kostin, S., Abdallah, Y., Schafer, C., Kaminski, A., ...
OBJECTIVE: Myocardial ischemia has been shown to induce apoptosis of endothelial cells (EC). However, the mechanism of this endothelial injury is still poorly understood. To analyse the signaling...
Neutral-current four-fermion production in e$^+e^-$ interactions at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Neutral-current four-fermion production, e+e- -> ffff is studied in 0.7/fb of data collected with the L3 detector at LEP at centre-of-mass energies root(s)=183-209GeV. Four final states are...
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...
Compton scattering of quasi-real virtual photons at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Inclusive Lambda production in two-photon collisions at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Flavour independent search for neutral Higgs bosons at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Exclusive rho rho production in two-photon collisions involving a single highly virtual photon is studied with data collected at LEP at centre-of-mass energies 89GeV < \sqrt{s} < 209GeV with a total...
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...
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...
$K^{0}_{S} K^{0}_{S}$ 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...
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...
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...
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...
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...
Measurement of the mass and the width of the W boson at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The mass and the total decay width of the W boson are measured with the L3 detector at the LEP e+e- collider using W-boson pairs produced in 0.7/fb of data collected at centre-of-mass energies...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...
The L3+C muon detector at the CERN electron-positron collider, LEP, is used for the detection of very-high-energy cosmic gamma-ray sources through the observation of muons of energies above 20, 30,...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., ...
The L3+C muon detector at the CERN electron-positron collider, LEP, is used for the detection of very-high-energy cosmic gamma-ray sources through the observation of muons of energies above 20, 30,...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The reactions gamma gamma -> pi(+)pi(-)pi(+)pi(-) and gamma gamma -> pi(+)pi(0)pi(-)pi(0) are studied with the L3 detector at LEP in a data sample collected at centre-of-mass energies from 161 GeV to...
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
Hadron production and lepton-pair production in e(+)e(-) collisions are studied with data collected with the L3 detector at LEP at centre-of-mass energies root s = 192-208 GeV. Using a total...
Measurement of the mass and the width of the W boson at LEP (2006)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The mass and the total decay width of the W boson are measured with the L3 detector at the LEP e(+)e(-) collider using W-boson pairs produced in 0.7 fb(-1) of data collected at centre-of-mass...
Search for neutral MSSM Higgs bosons at LEP (2006)
Schael, S., Barate, R., Bruneliere, R., De Bonis, I., Decamp, D., Goy, C., ...
The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric standard model (MSSM). The data of the four...
Measurement of the Running of the Electromagnetic Coupling at Large Momentum-Transfer at LEP (2005)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The evolution of the electromagnetic coupling, $\alpha$, in the momentum-transfer range 1800 GeV$^2 < -Q^2
Measurement of the Photon Structure Function $F^\gamma_2$ with the L3 Detector at LEP (2005)
Achard, P., Adriani, O., Aguilar-Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., ...
The e$^+e^- \to e^+e^-$ hadrons reaction, where one of the two electrons is detected in a low polar-angle calorimeter, is analysed in order to measure the hadronic photon structure function...
Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...
Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...
Measurement of Radiative Bhabha and Quasi-Real Compton Scattering (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We report on a study of radiative Bhabha and quasi-real Compton scattering at centre-of-mass energies between 50~{\GeV} and 170~{\GeV} and 20~{\GeV} and 140~{\GeV}, respectively, using the L3...
Measurement of muon-pair production at 50 GeV $\sqrt{s}$ 86 GeV at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...
B$^\star$ production in Z decays at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., ...
B$^\star$ production in Z decays at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., ...
Measurement of muon-pair production at 50 GeV $\sqrt{s}$ 86 GeV at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...
B$^\star$ production in Z decays at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., ...
Measurement of muon-pair production at 50 GeV $\sqrt{s}$ 86 GeV at LEP (2005)
Acciarri, M., Adam, A., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., ...
Measurement of the Weak Dipole Moments of the $\tau$ Lepton (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
Using the data collected by the L3 experiment at LEP from 1991 to 1995 at energies around the $\Zo$ mass, a measurement of the weak anomalous magnetic dipole moment, $a^w_{\tau}$,~ and of the weak...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
The coupling of the Z boson to quarks is studied in a sample of about 3.5 million hadronic Z decays collected by the L3 experiment at LEP from 1991 to 1995. The forward-backward quark charge asymmet...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
A measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons, $\mathrm{b}\rightarrow\mathrm{X}_\mathrm{u }\ell\nu$, has been performed using almost two million hadronic...
Search for New Physics Phenomena in Fermion-Pair Production at LEP (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
The measurements of hadron and lepton--pair production cross sections and lepton--pair forward--backward asymmetries performed with the L3 detector at centre--of--mass energies between 130 GeV and...
Determination of the Number of Light Neutrino Species from Single Photon Production at LEP (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
Four of the Michel parameters and the average tau-neutrino helicity have been measured by analysing tau decay spectra in 147 \pb ~of data collected by the L3 detector. The decays \tte, ~\ttm, ~\ttp,...
Measurement of the Average Lifetime of b-Hadrons in Z Decays (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We present a measurement of the average b-hadron lifetime ${\rm \tau_b}$ at the $\mathrm{e^+e^-} \, $ collider LEP. Using hadronic Z decays collected in the period from 1991 to 1994, two independent...
Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We have studied the structure of hadronic events with a hard, %radiated isolated photon in the final state ($\mathrm{e^{+}e^{-}} \rightarrow$ Z $\rightarrow$ hadrons $+$ $\gamma$) in the 3.6 million...
Inclusive J, $\psi$' and $\chi_c$ Production in Hadronic Z Decays (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We report on measurements of the inclusive production of J, $\psi'$ and $\mathrm{\chi_c}$ mesons in hadronic Z decays, based on 3.2 million hadronic events collected using the L3 detector at LEP. The...
Study of the Weak Charged Hadronic Current in b Decays (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
Charged and neutral particle multiplicities of jets associated with identified semileptonic and hadronic b decays are studied. The observed differences between these jets are used to determine the...
Measurement of Inclusive $\omega$ and $\eta$' Production in Hadronic Z Decays (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
We present a study of the inclusive $\omega$ and $\eta^{\prime}$ production based on 3.1 million hadronic Z decays recorded with the L3 detector at LEP during 1991--1994. The production rates per...
Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
A search for exclusive decays of $\ensuremath{\mathrm{B_d^0}}$ and $\ensuremath{\mathrm{B_s^0}}$ mesons has been performed in the channels $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...
Search for Neutral B Meson Decays to Two Charged Leptons (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
The decays $\mathrm{B_d^0,\,B_s^0 \rightarrow e^+e^-,\,\mu^+\mu^-,\, e^\pm\mu^\mp}$ are searched for in 3.5 million hadronic ${\mathrm{Z}}$ events, which constitute the full LEP I data sample...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
Using a data sample of 1,475,000 $\ZQQG$ events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, $\Dtau$ and $\Btau$. A signal is...
Search for R-Parity Breaking Sneutrino Exchange at LEP (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We report on a search for R--parity breaking effects due to supersymmetric tau--sneutrino exchange in the reactions e+e- to e+e- and e+e- to mu+mu- at centre--of--mass energies from 91~{\GeV} to...
Production of Single W Bosons at LEP (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic...
Search for Excited Leptons in $e^+ e^-$ Annihilation at $\sqrt{s}$ = 161 GeV (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alpat, B., Alcaraz, J., ...
A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of...
$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (2005)
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
A measurement of the $\mathrm{K^0_s}$ and $\Lambda$ inclusive production rates and momentum spectra in two- and three-jet events is presented. On the basis of about 3.1~million Z decays collected...
Acciarri, M., Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Alemanni, G., ...
A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV with the L3...