49 citations · 332 across the 15 of their papers we have counts for
15 papers
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…
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…
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.…
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-…
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…
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…
Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in e+e- Interactions at \sqrt{s} = 189 GeV
L3 Collaboration
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…
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…
Measurement of Triple-Gauge-Boson Couplings of the W Boson at LEP
L3 Collaboration
We report on measurements of the triple-gauge-boson couplings of the W boson in e+e- collisions with the L3 detector at LEP. W-pair, single-W and single-photon events are analysed…
Search for Scalar Leptons in e+e- collisions at \sqrt{s}=189 GeV
L3 Collaboration
We report the result of a search for scalar leptons in 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^{…
Study of Z Boson Pair Production in e+e- Collisions at LEP at \sqrt{s}=189 GeV
L3 Collaboration
The pair production of Z bosons is studied using the data collected by the L3 detector at LEP in 1998 in e+e- collisions at a centre-of-mass energy of 189 GeV. All the visible fina…
Search for Low Scale Gravity Effects in e+e- Collisions at LEP
L3 Collaboration
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 dimens…
Measurement of the Spectroscopy of Orbitally Excited B Mesons at LEP
L3 Collaboration
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…
Formation of the in Two-Photon Collisions at LEP
L3 Collaboration
The two-photon width of the meson has been measured with the L3 detector at LEP. The is studied in the decay modes , KK, KK…
Search for Heavy Neutral and Charged Leptons in ee Annihilation at = 183 and 189 GeV
L3 Collaboration
A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed at center-of-mass energies = 183 and 189 GeV with the L3…