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Inclusive charged hadron production in two-photon collisions at LEP

ContributorsL3 Collaboration
Published inPhysics letters. B, vol. 554, no. 3-4, p. 105-114
Publication date2003
Abstract

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. Single particle inclusive differential cross sections are measured as a function of the particle transverse momentum, pt, and pseudo-rapidity, η. For pt⩽1.5 GeV, the data are well described by an exponential, typical of soft hadronic processes. For higher pt, the onset of perturbative QCD processes is observed. The π± production cross section for pt>5 GeV is much higher than the NLO QCD predictions.

Citation (ISO format)
L3 Collaboration. Inclusive charged hadron production in two-photon collisions at LEP. In: Physics letters. B, 2003, vol. 554, n° 3-4, p. 105–114. doi: 10.1016/S0370-2693(03)00015-7
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Journal ISSN0370-2693
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Creation11/12/2014 09:42:00
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Update14/03/2023 22:24:41
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