177 citations · 1.3k across the 32 of their papers we have counts for
32 papers
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…
Measurement of the Cross Section for Open-Beauty Production in Photon-Photon Collisions at LEP
L3 Collaboration
The cross section for open-beauty production in photon-photon collisions is measured using the whole high-energy and high-luminosity data sample collected by the L3 detector at LEP…
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…
Search for Branons at LEP
L3 Collaboration
We search, in the context of extra-dimension scenarios, for the possible existence of brane fluctuations, called branons. Events with a single photon or a single Z-boson and missin…
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…
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…
Z Boson Pair-Production at LEP
L3 Collaboration
Events stemming from the pair-production of Z bosons in e^+e^- collisions are studied using 217.4 pb^-1 of data collected with the L3 detector at centre-of-mass energies from 200 G…
Determination of alphaS from Hadronic Event Shapes in e+e- Annihilation at 192 < sqrt(s) < 208 GeV
L3 Collaboration
Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s)>192 GeV. The distributions of several event shape variable…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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.…
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 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…