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Electroweak measurements in electron–positron collisions at W-boson-pair energies at LEP
(2013)Physics ReportsJournal Article -
Inclusive jet production in two-photon collisions at LEP
(2011)Physics Letters BInclusive jet production, e+e- → e +e- jet X, is studied using 560 pb-1 of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The inclusive differential cross section is measured using a kt jet algorithm as a function of the jet transverse momentum, pt, in the range 3 < pt < 50 GeV for a pseudorapidity, η, in the range -1 <η <1. This cross section is well represented by a power law. For high pt, ...Journal Article -
Isotopic Composition of Light Nuclei in Cosmic Rays
(2011)The Astrophysical JournalJournal Article -
Test of the τ-model of Bose–Einstein correlations and reconstruction of the source function in hadronic Z-boson decay at LEP
(2011)The European Physical Journal CBose–Einstein correlations of pairs of identical charged pions produced in hadronic Z decays are analyzed in terms of various parametrizations. A good description is achieved using a Lévy stable distribution in conjunction with a model where a particle’s momentum is correlated with its space–time point of production, the τ-model. Using this description and the measured rapidity and transverse momentum distributions, the space–time evolution ...Journal Article -
Study of hadronic event shape in flavour tagged events in e+e- annihilation at ⟨√s⟩ = 197 GeV
(2008)PMC Physics. AResults are presented from a study of the structure of hadronic events in high-energy e+e- interactions detected by the L3 detector at LEP. Various event shape distributions and their moments are measured at several energy points at and above the Z-boson mass. The event flavour is tagged by using the decay characteristics of b-hadrons. Measurements of distributions of event shape variables for all hadronic events, for light (u, d, s, c) ...Journal Article -
Study of the solar anisotropy for cosmic ray primaries of about 200 GeV energy
(2008)Astronomy & AstrophysicsJournal Article -
Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01
(2007)Physics Letters BA measurement of the cosmic ray positron fraction e+ / (e+ + e-) in the energy range of 1-30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during its 10 day Space Shuttle flight in June 1998. A proton background suppression on the order of 106 is reached by identifying converted bremsstrahlung photons emitted from positrons.Journal Article -
Study of inclusive strange-baryon production and search for pentaquarks in two-photon collisions at LEP
(2007)The European Physical Journal CMeasurements of inclusive production of the Λ, Ξ- and Ξ*(1530) baryons in two-photon collisions with the L3 detector at LEP are presented. The inclusive differential cross sections for Λ and Ξ- are measured as a function of the baryon transverse momentum, pt, and pseudo-rapidity, η. The mean number of Λ, Ξ- and Ξ*(1530) baryons per hadronic two-photon event is determined in the kinematic range 0.4 GeV<pt<2.5 GeV, |η|<1.2. Overall agreement ...Journal Article -
Study of resonance formation in the mass region 1400−1500MeV through the reaction γγ→K0SK±πmp
(2007)Journal of High Energy PhysicsJournal Article -
The solar flare of the 14th of July 2000 (L3+C detector results)
(2006)Astronomy & AstrophysicsJournal Article