activity
19992011
most citedSearch for Heavy Neutral and Charged Leptons in e+ e- Annihilation at LEP

177 citations · 2.1k across the 80 of their papers we have counts for

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18 papers · 1 filter

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★ 87 cited

Higgs Candidates in e+e- Interactions at root(s) = 206.6 GeV

L3 Collaboration

In a search for the Standard Model Higgs boson, carried out on 212.5 pb-1 of data collected by the L3 detector at the highest LEP centre-of-mass energies, including 116.5 pb-1 abov…

hep-ex2000★ 8 cited

Search for a Higgs Boson Decaying into Two Photons in e+e- Interactions at sqrt{s}=189GeV

L3 Collaboration

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 G…

hep-ex2000★ 4 cited

Search for anomalous couplings in the Higgs sector at LEP

L3 Collaboration

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…

hep-ex2000★ 13 cited

Measurement of the W+W-gamma Cross Section and Direct Limits on Anomalous Quartic Gauge Boson Couplings at LEP

L3 Collaboration

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…

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★ 3 cited

Determination of gamma/Z interference in e+e- annihilation at LEP

L3 Collaboration

An S-Matrix ansatz is used to determine the mass and width of the Z boson, as well as the contributions of gamma/Z interference and Z boson exchange to fermion-pair production. For…

hep-ex2000★ 25 cited

QCD studies in e+e- annihilation from 30GeV to 189GeV

L3 Collaboration

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 variab…

hep-ex2000★ 68 cited

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

L3 Collaboration

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…

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★ 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★ 34 cited

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

L3 Collaboration

A search for charginos nearly mass-degenerate with the lightest supersymmetric particle is performed using the 176 pb^-1 of data collected at 189 GeV in 1998 with the L3 detector.…

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-ex2000★ 34 cited

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

L3 Collaboration

We report on measurements of e+e- annihilation into hadrons and lepton pairs. The data have been collected with the L3 detector at LEP at centre-of-mass energies between 130 and 18…

hep-ex2000★ 6 cited

Direct Observation of Longitudinally Polarised W Bosons

L3 Collaboration

The three different helicity states of W bosons, produced in the reaction e+e- -> W+W- -> l nu q q~ are studied using leptonic and hadronic W decays at sqrt{s}=183GeV and 189GeV. T…