activity
19992006
most citedSearch for Charginos and Neutralinos in e+e- collisions at \sqrt{s} = 189 Gev

62 citations · 725 across the 31 of their papers we have counts for

collaborators

31 papers

astro-ph2006★ 36 cited

Galaxy Clusters Associated with Short GRBs. II. Predictions for the Rate of Short GRBs in Field and Cluster Early-Type Galaxies

Min-Su Shin, Edo Berger

We determine the relative rates of short GRBs in cluster and field early-type galaxies as a function of the age probability distribution of their progenitors, P(τ) \propto τ^n. Thi…

hep-ex2001★ 38 cited

Total Cross Section in gamma gamma Collisions at LEP

L3 Collaboration

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…

hep-ex2001★ 6 cited

Study of the e+e- -> Z gamma gamma -> q q~ gamma gamma Process at LEP

L3 Collaboration

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. Cr…

hep-ex2001★ 17 cited

Measurement of the Tau Branching Fractions into Leptons

L3 Collaboration

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 mu…

hep-ex2000★ 11 cited

Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in e+e- Interactions at root(s)=192-202GeV

L3 Collaboration

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 co…

hep-ex2000★ 50 cited

Measurements of the Cross Sections for Open Charm and Beauty Production in gamma gamma Collisions at root(s)=189-202 GeV

L3 Collaboration

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 G…

hep-ex2000★ 20 cited

Search for Excited Leptons in e+ e- Interactions at sqrt(s)=192 - 202 GeV

L3 Collaboration

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…

hep-ex2000★ 44 cited

K0s K0s Final State in Two-Photon Collisions and Implications for Glueballs

L3 Collaboration

The K0s K0s 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 meson in the helic…

hep-ex2000★ 50 cited

Light resonances in Ks K pi and eta pi pi final states in gamma gamma collisions at LEP

L3 Collaboration

The e+e- -> e+e- Ks K+- pi-+ e+e- -> e+e- eta pi+ pi- and final states are studied with the L3 detector at LEP using data collected at centre-of-mass energies from 183 GeV up to 20…

hep-ex2000★ 7 cited

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

L3 Collaboration

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…

hep-ex2000★ 24 cited

Search for Charged Higgs Bosons in e+e- Collisions at Centre-of-Mass Energies up to 202 GeV

L3 Collaboration

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 a…

hep-ex2000★ 16 cited

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

L3 Collaboration

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 fract…

hep-ex2000★ 17 cited

Measurement of Bose-Einstein Correlations in e+e- -> W+W- at root(s)=189GeV

L3 Collaboration

We investigate Bose-Einstein correlations (BEC) in W-pair production at root(s)=189GeV using the L3 detector at LEP. We observe BEC between particles from a single W decay in good…

hep-ex2000★ 15 cited

Search for Anomalous ZZgamma and Zgammagamma couplings in the process e+e- -> Zgamma at LEP

L3 Collaboration

We search for anomalous trilinear gauge couplings in the ZZgamma and Zgammagamma vertices using data collected with the L3 detector at LEP at a centre-of-mass energy \sqrt{s}=189 G…

hep-ex2000★ 10 cited

Measurements of the bb~ production cross section and forward backward asymmetry at centre-of-mass energies above the Z pole at LEP

L3 Collaboration

The measurements of Rb = sigma(e+e- -> bb~)/sigma(e+e- -> qq~) and of the b quark forward-backward charge asymmetry, A^b_fb, at centre-of-mass energies above the Z pole are describ…

hep-ex2000★ 8 cited

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

L3 Collaboration

A search for a Higgs boson decaying into invisible particles is performed using the data collected at LEP by the L3 experiment at centre-of-mass energies of 183 GeV and 189 GeV. Th…

hep-ex2000★ 22 cited

Measurement of the Photon Structure Function at High Q^2 at LEP

L3 Collaboration

The structure functions of real and virtual photons are derived from cross section measurements of the reaction e^+e^ -> e^+e^- + hadrons at LEP. The reaction is studied at \sqrt{s…

hep-ex2000★ 24 cited

Measurement of the Lifetime of the Tau Lepton

L3 Collaboration

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 tau_tau = 293.2 +/- 2.0 (sta…

hep-ex2000★ 9 cited

Inclusive Sigma+ and Sigma0 Production in Hadronic Z Decays

L3 Collaboration

We report on measurements of the inclusive production rate of Sigma+ and Sigma0 baryons in hadronic Z decays collected with the L3 detector at LEP. The Sigma+ baryons are detected…

hep-ex2000★ 14 cited

Measurement of the e+e- -> Z gamma gamma Cross Section and Determination of Quartic Gauge Boson Couplings at LEP

L3 Collaboration

A first measurement of the cross section of the process e+e- -> Z gamma gamma is reported using a total integrated luminosity of 231 pb^-1 collected with the L3 detector at centre-…

hep-ex2000★ 26 cited

Measurement of the Running of the Fine-Structure Constant

L3 Collaboration

Bhabha scattering data recorded at \sqrt{s}=189 GeV by the L3 detector at LEP are used to measure the running of the effective fine-structure constant for spacelike momentum transf…

hep-ex1999★ 19 cited

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

L3 Collaboration

We have measured the probability, n(g->cc~), of a gluon splitting into a charm-quark pair using 1.7 million hadronic Z decays collected by the L3 detector. Two independent methods…

hep-ex1999★ 43 cited

Search for Extra Dimensions in Boson and Fermion Pair Production in e+e- Interactions at LEP

L3 Collaboration

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 gravit…

hep-ex1999★ 29 cited

Searches for Scalar Quarks in e^+e^- Interactions at \sqrt{s} = 189 GeV

L3 Collaboration

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…