Antonino Zichichi

Publication List Details

Period

1988 - 2009

Number

392

Co-Authors

Perché io credo in Colui che ha fatto il mondo (2006)

Zichichi, Antonino

Perché io credo in Colui che ha fatto il mondo, tra fede e scienza, Antonino Zichichi. . - Milano. NALUAF00001079, Il Saggiatore. NAEDAF002800. 2006.

Tra fede e scienza (2005)

Zichichi, Antonino

Tra fede e scienza, da Giovanni Paolo 2. a Benedetto 16., Antonino Zichichi. . - Milano. NALUAF000464. , Il Saggiatore. NAEDAF002800, [2005.

Tra fede e scienza (2005)

Zichichi, Antonino

Tra fede e scienza, da Giovanni Paolo 2 a Benedetto 16, Antonino Zichichi. . - Milano. NALUAF00001079, Il saggiatore. NAEDAF002800, 2005.

Tra fede e scienza (2005)

Zichichi, Antonino

Tra fede e scienza, da Giovanni Paolo 2 a Benedetto 16, Antonino Zichichi. . - Milano. NALUAF00001079, Il saggiatore. NAEDAF002800, 2005.

Perché io credo in colui che ha fatto il mondo (2004)

Zichichi, Antonino

Perché io credo in colui che ha fatto il mondo, Antonino Zichichi. . - Milano. NALUAF00001079, Il Saggiatore. NAEDAF002800, 2004.

L'infinito (2004)

Zichichi, Antonino

L'infinito, Antonino Zichichi. . - Milano. NALUAF00001079, Net. NAEDAF003785, 2004.

Il vero e il falso (2003)

Zichichi, Antonino

Il vero e il falso, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2003.

Il vero e il falso (2003)

Zichichi, Antonino

Il vero e il falso, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2003.

Il vero e il falso (2003)

Zichichi, Antonino

Il vero e il falso, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2003.

Galilei divin uomo (2001)

Zichichi, Antonino

Galilei divin uomo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2001.

Galilei divin uomo (2001)

Zichichi, Antonino

Galilei divin uomo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2001.

Galilei divin uomo (2001)

Zichichi, Antonino

Galilei divin uomo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2001.

Galilei divin uomo (2001)

Zichichi, Antonino

Galilei divin uomo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2001.

L'irresistibile fascino del tempo (2000)

Zichichi, Antonino

L'irresistibile fascino del tempo, dalla resurrezione di Cristo all'universo subnucleare, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2000.

L'irresistibile fascino del tempo (2000)

Zichichi, Antonino

L'irresistibile fascino del tempo, dallaresurrezione di Cristo all'universo subnucleare, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2000.

L'irresistibile fascino del tempo (2000)

Zichichi, Antonino

L'irresistibile fascino del tempo, dallaresurrezione di Cristo all'universo subnucleare, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2000.

L'irresistibile fascino del tempo (2000)

Zichichi, Antonino

L'irresistibile fascino del tempo, dalla resurrezione di Cristo all'universo subnucleare, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 2000.

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...

Perché io credo in colui che ha fatto il mondo (1999)

Zichichi, Antonino

Perché io credo in colui che ha fatto il mondo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 1999.

Perché io credo in colui che ha fatto il mondo (1999)

Zichichi, Antonino

Perché io credo in colui che ha fatto il mondo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 1999.

Perché io credo in colui che ha fatto il mondo (1999)

Zichichi, Antonino

Perché io credo in colui che ha fatto il mondo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 1999.

Perché io credo in colui che ha fatto il mondo (1999)

Zichichi, Antonino

Perché io credo in colui che ha fatto il mondo, Antonino Zichichi. . - Milano. NALUAF000464, Il Saggiatore. NAEDAF002800, 1999.

$\chi_{c2}$ formation in two-photon collisions at LEP (1998)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, 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 (1998)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, 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...

The Q$^2$ evolution of the Hadronic Photon Structure Function $F^\gamma_2$ at LEP (1998)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, 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...

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 (1998)

Acciarri, M, Achard, P, Adriani, O, Aguilar-Benítez, 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...

QCD results from studies of hadronic events produced in $e^+ e^-$ annihilations at $\sqrt{s}$ = 183 GeV (1998)

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

We present results obtained from a study of the structure of hadronic events recorded by the L3 detector at a centre-of-mass energy of 183 GeV. The data sample corresponds to an integrated luminosity...

Search for charged Higgs bosons in $e^+ e^-$ collisions at centre-of-mass energies between 130 and 183 GeV (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 GeV (1998)

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

An analysis of single and multi-photon events with missing energy is performed using data collected with the L3 detector at LEP at centre-of-mass energies around 183\gev, for a total of 55.3...

Measurement of the effective weak mixing angle by jet-charge asymmetry in hadronic decays of the Z boson (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Upper limit on the lifetime difference of short- and long-lived $B^0_s$ mesons (1998)

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

An upper limit on the lifetime difference of short- and long-lived $\rm B^0_s$ mesons has been obtained using an inclusive bottom hadron sample from 2 million hadronic Z decays collected by the L3...

Measurement of W-pair cross sections in $e^{+}e^{-}$ interactions at $\sqrt{s}$ = 183 GeV and W-decay branching fractions (1998)

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

We report on the measurement of W-boson pair-production with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 55.47~pb$^{-1}$ collected at an average centre-of-mass...

Measurement of the Michel parameters and the average $\tau$-neutrino helicity from $\tau$ decays at LEP (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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,...

Production of single W bosons in $e^+ e^-$ interactions at $130 \leq \sqrt{s} \leq 183 GeV$ and limits on anomalous $WW\gamma$ couplings (1998)

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

We report on a study of single W boson production in a data sample collected by the L3 detector at centre-of-mass energies from 130 to 183 GeV. The signal consists of large missing energy final...

Test of CP invariance in $Z \to \mu^+ \mu^- \gamma$ decay (1998)

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

We report on the first test of CP invariance in Z decays with hard photon radiation. The data recorded with the L3 detector at centre-of-mass energies near the Z resonance are used to search for CP...

Measurement of radiative Bhabha and quasi-real Compton scattering (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Study of the hadronic photon structure function $F^\gamma_2$ at LEP (1998)

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

The hadronic photon structure function $F^\gamma_2$ is studied in the reaction $\mathrm{e^+e^-} \rightarrow \mathrm{e^+e^-hadrons}$ at LEP with the L3 detector. The data, collected from 1991 to 1995...

Study of anomalous ZZ$\gamma$ and Z$\gamma\gamma$ couplings at LEP (1998)

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

We search for anomalous $\ZZG$ and $\ZGG$ couplings with the L3 detector at LEP. The analysis is based on the study of the process $\EEZG$ at center-of-mass energies in the range $161 \GeV < \rts <...

Measurement of the inclusive charmless semileptonic branching fraction of beauty hadrons and a determination of |$V_{ub}$| at LEP (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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 neutral Higgs bosons of the Minimal Supersymmetric Standard Model in $e^+ e^-$ interactions at $\sqrt{s}$ = 130-183 GeV (1998)

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

A search for the lightest neutral scalar and neutral pseudoscalar Higgs bosons in the Minimal Supersymmetric Standard Model is performed on data collected at LEP by the L3 detector at center-of-mass...

Search for the Standard Model Higgs boson in $e^+ e^-$ interactions at $\sqrt{s}$ = 183 GeV (1998)

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

A search for the Standard Model Higgs boson is performed with the L3 detector at LEP. The data sample, corresponding to a luminosity of 55.3 $pb^-1$, was collected at an average centre-of-mass energy...

Search for new physics phenomena in fermion-pair production at LEP (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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 (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Measurement of $\tau$ polarisation at LEP (1998)

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

Using the data collected with the L3 detector at LEP between 1990 and 1995, corresponding to an integrated luminosity of 149 pb$^{-1}$, the $\tau$ longitudinal polarisation has been measured as a...

Measurement of the $B_{d}^{0} - \overline{B}_{d}^{0}$ oscillation frequency (1998)

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

Time-dependent ${\mathrm{B^{0}}\mbox{-}\bar{\mathrm{B}} ^{0}}$ mixing is studied using about two million hadronic Z decays registered by L3 in 1994 and 1995. For this study three techniques are used....

Angular multiplicity fluctuations in hadronic Z decays and comparison to QCD models and analytical calculations (1998)

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

Local multiplicity fluctuations in angular phase space intervals are studied using factorial moments measured in hadronic events at $\sqrt{s}\simeq 91.2\GeV$, which were collected by the L3 detector...

Measurement of the Weak Dipole Moments of the $\tau$ Lepton (1998)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Local multiplicity fluctuations in hadronic Z decay (1998)

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

Local multiplicity fluctuations in hadronic Z decays are studied using the L3 detector at LEP. Bunching parameters are used for the first time in addition to the normalised factorial moment method....

Measurement of the average lifetime of b-hadrons in Z decays (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Search for scalar leptons, charginos and neutralinos in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 161-172 GeV (1997)

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

Scalar leptons, charginos and neutralinos, predicted by supersymmetric theories, have been searched for in data samples collected with the L3 detector at centre-of-mass energies of 161 GeV and 172...

Neutral-Current Four-Fermion Production in $e^+ e^-$ Interactions at 130 GeV $\leq \sqrt{s} \leq$ 172 GeV (1997)

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

A study of neutral-current four-fermion processes is performed, using data collected by the L3 detector at LEP during high-energy runs at centre-of-mass energies 130 - 136, 161 and 170 - 172 GeV,...

Measurement of $\eta '(958)$ formation in two-photon collisions at LEP1 (1997)

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

The formation of the eta' in the reaction ee->ee eta'->ee pi pi gamma has been measured by the L3 detector at a centre-of-mass energy of 91 GeV. The radiative width of the eta' has been found to be...

Measurements of Mass, Width and Gauge Couplings of the W Boson at LEP (1997)

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

We report on measurements of mass and total decay width of the W boson and of triple-gauge-boson couplings, $\gamma$WW and ZWW, with the L3 detector at LEP. W-pair events produced in $\EE$...

Search for R-Parity Breaking Sneutrino Exchange at LEP (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Missing mass spectra in hadronic events from $e^+ e^-$ collisions at $\sqrt{s}$=161-172 GeV and limits on invisible Higgs decays (1997)

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

Events characterised by large hadronic energy and transverse momentum are selected from the data collected by the L3 detector at LEP at centre-of-mass energies between 161 and 172 GeV, corresponding...

Search for new physics in energetic single photon production in $e^+ e^-$ annihilation at the Z resonance (1997)

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

Using a sample of $\mathrm{e^{+}e^{-}}$ annihilation events collected with the L3 detector at the Z resonance corresponding to an integrated luminosity of 137 pb$^{-1}$, we have searched for...

Search for the Standard Model Higgs Boson in $e^+ e^-$ Interactions at $161 \leq \sqrt{s} \leq 172$ GeV (1997)

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

A search for the Standard Model Higgs boson has been performed with the L3 detector at LEP. The data sample was collected at three centre-of-mass energies, 161.3, 170.3 and 172.3 GeV with integrated...

Light-Gravitino Production at Hadron Colliders (1997)

Kim, J, López, J L, Nanopoulos, Dimitri V, Rangarajan, R, Zichichi, Antonino

We consider the production of gravitinos ($\widetilde G$) in association with gluinos ($\tilde g$) or squarks ($\tilde q$) at hadron colliders, including the three main sub-processes: $q \bar q ->...

Search for heavy neutral and charged leptons in $e^+ e^-$ annihilation at $\sqrt{s}$ = 161 GeV and $\sqrt{s}$ = 172 GeV (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Study of hadronic events and measurements of $\alpha_{s}$ between 30 and 91 GeV (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Single and multi-photon events with missing energy in $e^+ e^-$ collisions at 161 GeV < $\sqrt{s}$ < 172 GeV (1997)

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

A search for single and multi-photon events with missing energy is performed using data collected at centre-of-mass energies between 161 GeV and 172 GeV for a total of 20.9 pb$^{-1}$ of integrated...

Hard-photon production at $\sqrt{s}$ = 161 and 172 GeV at LEP (1997)

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

We have studied the process $e^+e^-{\rightarrow}\rm n {\gamma}$ $(\rm n{\ge}2)$ at centre-of-mass energies of 161.3 GeV and 172.1 GeV. The analysis is based on a sample of events collected by the L3...

$\Upsilon$ production in Z Decays (1997)

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

We have searched for evidence of Upsilon production in 3.5 million hadronic Z decays collected by the L3 detector at LEP in 1991-1995. No signals are observed for the decay chain Z -> Upsilon X;...

Measurement of W-pair cross sections in $e^+ e^-$ interactions at $\sqrt{s}$ = 172 GeV and W decay branching fractions (1997)

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

We report on the measurement of W-boson pair-production with the L3 detector at LEP at an average centre-of-mass energy of 172.13~GeV. In a data sample corresponding to a total luminosity of...

Resonance formation in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions (1997)

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

A study of resonance formation is presented in the $\pi^+\pi^-\pi^0$ final state in two-photon collisions at LEP. The $a_2(1320)$ radiative width is measured to be...

Search for anomalous four-jet events in $e^+ e^-$ annihilation at $\sqrt{s}$ = 130-172 GeV (1997)

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

A study of hadronic events with high jet-multiplicity is performed using the data sample collected by the L3 experiment at LEP at $\sqrt{s}=130-172$ GeV. The observed event rates agree with the...

$K^{0}_{S}$ and $\Lambda$ production in quark and gluon jets at LEP (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Measurement of hadron and lepton pair production at 161 GeV < $\sqrt{s}$ < 172 GeV at LEP (1997)

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

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

QCD Studies and Determination of $\alpha_s$ in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 GeV and 172 GeV (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Production of e, $\mu$ and $\tau$ Pairs in Untagged Two-Photon Collisions at LEP (1997)

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

The two-photon collision reaction e+e- --> e+e-l+l- has been studied at root(s) ~ 91 GeV using the L3 detector at LEP for l = e, muon , tau. We have analysed untagged configurations where the two...

Cross-Section of Hadron Production in $\gamma\gamma$ Collisions at LEP (1997)

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

The reaction $\mathrm{e}^{+} \mathrm{e}^{-} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} \gamma ^{*} \gamma ^{*} \rightarrow \mathrm{e}^{+} \mathrm{e}^{-} $ {\sl hadrons} is analysed using data...

Production of Single W Bosons at LEP (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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 (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Pair-Production of W Bosons in $e^+ e^-$ Interactions at $\sqrt{s}$ = 161 GeV (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, ...

We report on the measurement of W-boson pair-production with the L3 detector at LEP at a centre-of-mass energy of 161.34~\GeV. In a data sample corresponding to a total luminosity of 11~pb$^{-1}$, we...

Measurement of $D_{s}^{-} \to \tau^{-}\overline{\nu}_\tau$ and a New Limit for $B^- \to \tau^{- }\overline{\nu}_\tau$ (1997)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Study of the Weak Charged Hadronic Current in b Decays (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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 (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Single-photon signals at LEP in supersymmetric models with a light gravitino (1996)

López, J, Nanopoulos, Dimitri V, Zichichi, Antonino

We study the single-photon signals expected at LEP in models with a very light gravitino. The dominant process is neutralino-gravitino production (e+e- -> chi+ G) with subsequent neutralino decay via...

Search for neutral B meson decays to two charged leptons (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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...

Search for Exclusive B Decays to J and $\eta$ or $\pi^{0}$ with the L3 Detector (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, 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 $\ensuremath{\mathrm{B_d^0}\rightarrow\mathrm{J}\eta}$,\,\,...

Measurement of the Lifetime of the $\tau$ Lepton (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, ...

The lifetime of the tau lepton is measured using data collected in 1994 by the L3 detector at LEP. The precise track position information of the Silicon Microvertex Detector is exploited. The tau...

Measurement of the B$_{d}^{0}$ meson oscillation frequency (1996)

Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, Alcaraz, J, ...

Time-dependent \Bd-\Bbd\ mixing is studied using 1.5 million hadronic Z decays collected by L3. Semileptonic B decays are selected by requiring at least one reconstructed lepton in both thrust...

Search for unstable sequential neutral and charged heavy leptons in $e^{+}e^{-}$ annihilation at $\sqrt{s}$ = 130 and 136 GeV (1996)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

A search for unstable sequential neutral and charged heavy leptons has been made at center-of-mass energies 130 and 136 \GeV\ with the L3 detector at LEP. The neutral leptons are assumed to decay via...

Study of the structure of hadronic events and determination of $\alpha_{s}$ at $\sqrt{s}$ = 130 GeV and 136 GeV (1996)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb-1...

Measurement of $\eta$ production in two and three-jet events from hadronic Z decays at LEP (1996)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

The inclusive production of \eta mesons has been studied using 1.6 million hadronic Z decays collected with the L3 detector. The \eta multiplicity per event, the multiplicity for two-jet and...

Search for excited leptons in $e^{+} e^{-}$ annihilation at $\sqrt {s}$ = 130 - 140 GeV (1996)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

We report on a search for the excited leptons e^*,mu^*,tau^* and nu^* in e+e- collisions at sqrt{s} = 130 - 140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From...

Measurement of hadron and lepton-pair production at 130 GeV $ (1996)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

We report on the first measurements of e+e- annihilations into hadrons and lepton pairs at center-of-mass energies between 130 GeV and 140 GeV. In a total luminosity of 5 pb-1 collected with the L3...

Experimental constraints on a stringy SU(5) x SU(1) model (1996)

López, J, Nanopoulos, Dimitri V, Zichichi, Antonino

We re-examine the phenomenological aspects of a recently proposed string-derived SU(5)\timesU(1) one-parameter supergravity model, and explore the sensitivity of the model predictions to variations...

A new type of resistive plate chamber: the multigap RPC (1995)

Cerron-Zeballos, E, Crotty, Ian, Hatzifotiadou, D, Lamas-Valverde, J, Neupane, S, Williams, M C S, ...

This paper describes the multigap resistive plate chamber (RPC). The goal is to obtain a much improved time resolution, keeping the advantages of the wide gap RPC in comparison with the conventional...

Exclusive $\varrho^{0}$ production in deep inelastic electron-proton scattering at HERA (1995)

Derrick, Malcolm, Krakauer, D A, Magill, S, Mikunas, D, Musgrave, B, Repond, J, ...

Inclusive jet cross sections for events with a large rapidity gap with respect to the proton direction from the reaction ep \rightarrow jet \; + \; X with quasi-real photons have been measured with...

A comparison of the wide gap and narrow gap resistive plate chamber (1995)

Cerron-Zeballos, E, Crotty, Ian, Hatzifotiadou, D, Lamas-Valverde, J, Neupane, S, Peskov, Vladimir, ...

In this paper we study the performance of a wide gap RPC and compare it with that of a narrow gap RPC, both operated in avalanche mode. We have studied the total charge produced in the avalanche. We...

Search for the decays B$_{d}^{0}$ --> $\gamma\gamma$ and B$_{s}^{0}$ --> $\gamma\gamma$ (1995)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

A search for the decays \Bdsgg in 2.95 million hadronic \rm Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on...

Study of the K$^{0}_{s}$K$^{0}_{s}$ final state in two-photon collisions (1995)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

The reaction \epem\ra\epem\gamma^*\gamma^*\ra\epem\kos\kos is studied with the L3 detector at LEP and the formation of the f_2\, \!\!\!'(1525) resonance is observed. For an integrated luminosity of...

Search for neutral charmless B decays at LEP (1995)

Acciarri, M, Adam, A, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alpat, B, ...

A search for rare charmless decays of \Bd and \Bs mesons has been performed in the exclusive channels \Bd_{(\mathrm s)}\ra\eta\eta, \Bd_{(\mathrm s)}\ra\eta\pio and \Bd_{(\mathrm s)}\ra\pio\pio. The...

A string no-scale supergravity model and its experimental consequences (1995)

López, J, Nanopoulos, Dimitri V, Zichichi, Antonino

We propose a string-derived model based on the gauge group SU(5)\times U(1) which satisfies the stringent constraints from no-scale supergravity, allows gauge coupling unification at the string...

Supersymmetry dileptons and trileptons at the Tevatron (1995)

López, J, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino

We consider the production of supersymmetry neutralinos and charginos in p\bar p collisions at the Tevatron, and their subsequent decay via hadronically quiet dileptons and trileptons. We perform our...

New phenomena in the standard no-scale supergravity model (1994)

Kelley, S, López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino

We revisit the no-scale mechanism in the context of the simplest no-scale supergravity extension of the Standard Model. This model has the usual five-dimensional parameter space plus an additional...

New constraints on supergravity models from b --> s$\gamma$ (1994)

López, J L, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino

We perform a detailed study of the constraints from b\to s\gamma on a large class of supergravity models, including generic four-parameter supergravity models, the minimal SU(5) supergravity model,...

A light stop and its consequences at the Tevatron and LEP II (1994)

López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino

An interesting prediction of a string-inspired {\em one-parameter} SU(5)\times U(1) supergravity model, is the fact that the lightest member (\tilde t_1) of the top-squark doublet (\tilde t_1,\tilde...

The top-quark mass in SU(5) x U(1) supergravity (1994)

López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino

We show that the currently experimentally preferred values of the top-quark mass (\ie, $130\lsim m_t\lsim180\GeV$) are naturally understood in the context of string models, where the top-quark Yukawa...

Experimental aspects of $SU(5) X U(1)$ supergravity (1994)

López, J L, Nanopoulos, Dimitri V, Park, G T, Wang, X, Zichichi, Antonino

We study various aspects of $SU(5)\times U(1)$ supergravity as they relate to the experimental verification or falsification of this model. We consider two string-inspired, universal, one-parameter,...

New precision electroweak tests of SU(5) x U(1) supergravity (1993)

López, J L, Nanopoulos, Dimitri V, Park, G T, Zichichi, Antonino

We explore the one-loop electroweak radiative corrections in $SU(5)\times U(1)$ supergravity via explicit calculation of vacuum-polarization and vertex-correction contributions to the $\epsilon_1$...

Scrutinizing supergravity models through neutrino telescopes (1993)

Gandhi, R, López, J L, Nanopoulos, Dimitri V, Yuan, K, Zichichi, Antonino

Galactic halo neutralinos ($\chi$) captured by the Sun or Earth produce high-energy neutrinos as end-products of various annihilation modes. These neutrinos can travel from the Sun or Earth cores to...

Supersymmetry Tests at Fermilab: A Proposal (1992)

López, J L, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino

We compute the number of trilepton events to be expected at Fermilab as a result of the reaction $p\bar p\to\chi^\pm_1\chi^0_2X$, where $\chi^\pm_1$ is the lightest chargino and $\chi^0_2$ is the...

L'infinito (1988)

ZICHICHI, Antonino

L'infinito, Antonino Zichichi. . - Losanna. NALUAF000425, Editrice Galilei. NAEDAF001730, 1988.