Suche
Ergebnisse
-
Electroweak measurements in electron–positron collisions at W-boson-pair energies at LEP
(2013)Physics ReportsJournal Article -
A search for flaring very-high-energy cosmic γ-ray sources with the L3+C muon spectrometer
(2006)Astroparticle PhysicsJournal Article -
-
Neutral-current four-fermion production in e+e- interactions at LEP
(2005)Physics Letters BNeutral-current four-fermion production, e+e -→ff̄f′f̄′, is studied in 0.7 fb -1 of data collected with the L3 detector at LEP at centre-of-mass energies s=183-209 GeV. Four final states are considered: qq̄νν̄ , qq̄ℓ+ℓ-, ℓ+ℓ-ℓ′+ℓ′- and ℓ+ℓ-νν̄, where ℓ denotes either an electron or a muon. Their cross sections are measured and found to agree with the Standard Model predictions. In addition, the e+e-→Zγ *→ff̄f′f̄′ process is studied and ...Journal Article -
Measurement of exclusive ρ+ ρ− production in mid-virtuality two-photon interactions and study of the γγ∗→ ρρ process at LEP
(2005)Physics Letters BJournal Article -
-
Measurement of exclusive ρ+ρ- production in high-Q2 two-photon collisions at LEP
(2004)Physics Letters BJournal Article -
Measurement of charged-particle multiplicity distributions and their H-q moments in hadronic Z decays at LEP
(2003)Physics Letters BThe charged-particle multiplicity distribution is measured for all hadronic events as well as for light-quark and b-quark events produced in e +e- collisions at the Z pole. Moments of the charged-particle multiplicity distributions are calculated. The Hq moments of the multiplicity distributions are studied, and their quasi-oscillations as a function of the rank of the moment are investigatedJournal Article -
-
Measurement of exclusive ρ0ρ0 production in two-photon collisions at high Q2 at LEP
(2003)Physics Letters BExclusive ρ0ρ0 production in two-photon collisions involving a single highly virtual photon is studied with data collected at LEP at centre-of-mass energies 89 GeV < √s < 209 GeV with a total integrated luminosity of 854.7 pb-1. The cross section of the process γγ* → ρ0ρ0 is determined as a function of the photon virtuality, Q2, and the two-photon centre-of-mass energy, Wγγ, in the kinematic region: 1.2 GeV2 < Q2 < 30 GeV2 and 1.1 GeV < ...Journal Article