Inclusive charged hadron production in two-photon collisions at LEP

L3 Collaboration

Research output: Contribution to journalArticle

22 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)105-114
Number of pages10
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume554
Issue number3-4
DOIs
StatePublished - Feb 20 2003

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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