activity
19992005
most citedSearch for Heavy Neutral and Charged Leptons in e+ e- Annihilation at LEP

177 citations · 1.1k across the 32 of their papers we have counts for

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32 papers · 1 filter

hep-ex2005★ 39 cited

Measurement of the Running of the Electromagnetic Coupling at Large Momentum-Transfer at LEP

L3 Collaboration

The evolution of the electromagnetic coupling, alpha, in the momentum-transfer range 1800GeV^2 < -Q^2 < 21600GeV^2 is studied with about 40000 Bhabha-scattering events collected wi…

hep-ex2005★ 2 cited

Neutral-Current Four-Fermion Production in e+e- Interactions at LEP

L3 Collaboration

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 s…

hep-ex2005

Z-boson production with two unobserved, back-to-back, hard photons at LEP

L3 Collaboration

The double-radiative process e+e- -> Z gamma gamma -> q q~ gamma gamma, where the two hard photons escape detection at low polar angles into opposite directions, is studied in 0.62…

hep-ex2005★ 26 cited

Search for an Invisibly-Decaying Higgs Boson at LEP

L3 Collaboration

A search for a Higgs boson produced in e^+e^- collisions in association with a Z boson and decaying into invisible particles is performed. Data collected at LEP with the L3 detecto…

hep-ex2004★ 132 cited

Single- and Multi-Photon Events with Missing Energy in e+e- Collisions at LEP

L3 Collaboration

Single- and multi-photon events with missing energy are selected in 619/pb of data collected by the L3 detector at LEP at centre-of-mass energies between 189GeV and 209GeV. The cro…

hep-ex2004★ 10 cited

Measurement of the Z-boson using e+e- -> Z gamma events at centre-of-mass energies above the Z pole

L3 Collaboration

Events from the e+e- -> Zgamma process with hard initial state radiation collected with the L3 detector at centre-of-mass energies between 183 GeV and 209 GeV are used to measure t…

hep-ex2003★ 123 cited

Search for Scalar Leptons and Scalar Quarks at LEP

L3 Collaboration

Scalar partners of quarks and leptons, predicted in supersymmetric models, are searched for in e^+e^- collisions at centre-of-mass energies between 192GeV and 209GeV at LEP. No evi…

hep-ex2003★ 64 cited

Search for Doubly-Charged Higgs Bosons at LEP

L3 Collaboration

Doubly-charged Higgs bosons are searched for in e^+e^- collision data collected with the L3 detector at LEP at centre-of-mass energies up to 209 GeV. Final states with four leptons…

hep-ex2003★ 20 cited

Search for Colour Reconnection Effects in e+e- -> W+W- -> hadrons through Particle-Flow Studies at LEP

L3 Collaboration

A search for colour reconnection effects in hadronic decays of W pairs is performed with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The analysis is based o…

hep-ex2003★ 2 cited

Study of the e+e- -> Ze+e- process at LEP

L3 Collaboration

The cross section of the process e+e- -> Ze+e is measured with 0.7fb^-1 of data collected with the L3 detector at LEP. Decays of the Z boson into quarks and muons are considered at…

hep-ex2003★ 15 cited

Inclusive Charged Hadron Production in Two-Photon Collisions at LEP

L3 Collaboration

Inclusive charged hadron production, e+e- -> e+e- h+- X, is studied using 414 pb-1 of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV.…

hep-ex2002★ 17 cited

Production of Single W Bosons at LEP and Measurement of WWgamma Gauge Coupling Parameters

L3 Collaboration

Single W boson production in electron-positron collisions is studied with the L3 detector at centre-of-mass energies between 192 GeV and 209 GeV. Events with two acoplanar hadronic…

hep-ex2002★ 19 cited

The e+e- -> Z gamma gamma -> q q gamma gamma Reaction at LEP and Constraints on Anomalous Quartic Gauge Boson Couplings

L3 collaboration

The cross section of the process e^+ e^- -> Z γγ-> qq γγis measured with 215 pb^-1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies around…

hep-ex2002★ 16 cited

Lambda and Sigma0 Pair Production in Two-Photon Collisions at LEP

L3 Collaboration

Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- centre-of-mass energies from 91 GeV…

hep-ex2001★ 38 cited

Study of the W+W-gamma Process and Limits on Anomalous Quartic Gauge Boson Couplings at LEP

L3 Collaboration

The process e+e- -> W+ W- gamma is studied using the data collected by the L3 detector at LEP. New results, corresponding to an integrated luminosity of 427.4 pb-1 at centre-of-mas…

hep-ex2001★ 11 cited

Inclusive pi0 and K0s Production in Two-Photon Collisions at LEP

L3 Collaboration

The reactions ee->ee+pi0+X and ee->ee+K0s+X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive differential…

hep-ex2001★ 24 cited

Bose-Einstein Correlations of Neutral and Charged Pions in Hadronic Z Decays

L3 Collaboration

Bose-Einstein correlations of both neutral and like-sign charged pion pairs are measured in a sample of 2 million hadronic Z decays collected with the L3 detector at LEP. The analy…

hep-ex2001★ 4 cited

Measurement of the Topological Branching Fractions of the tau lepton at LEP

L3 Collaboration

Using data collected with the L3 detector at LEP from 1992 to 1995 on the Z peak, we determine the branching fractions of the tau lepton into one, three and five charged particles…

hep-ex2001★ 177 cited

Search for Heavy Neutral and Charged Leptons in e+ e- Annihilation at LEP

L3 Collaboration

A search for exotic unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed with the L3 detector at LEP. Sequential, vector and mirror n…

hep-ex2001★ 87 cited

Search for Heavy Isosinglet Neutrino in e+e- Annihilation at LEP

L3 Collaboration

We report on a search for the first generation heavy neutrino that is an isosinglet under the standard SU(2)_L gauge group. The data collected with the L3 detector at center-of-mas…

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★ 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★ 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★ 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…