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Inclusive charged hadron production in two-photon collisions at LEP

Document type: Articulo

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.

General information

Issue date: 6 de enero de 2003
Document language: English
Journal: Physics Letters B; vol. 554, no. 3-4
Origin: Facultad de Ciencias Exactas
ISSN: 0370-2693
Pages: 105-114
xmlui.dri2xhtml.METS-1.0.item-dc-subject: Física ; hadron production ; two-photon collisions ; LEP
Subjects: Ciencias Exactas

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Created: 25 de junio de 2019
Available since: 25 de junio de 2019
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/77095
  • https://doi.org/10.1016/S0370-2693(03)00015-7

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    Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Except where otherwise noted, this item's license is described as Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)