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Energy Dependence of Inclusive Spectra in e+e- Annihilation

par Abreu, Pedro;Bertrand, Daniel ; [et al.]
Référence Physics letters. Section B, 459, page (397-411)
Publication Publié, 1999

Article révisé par les pairs

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Résumé :

Inclusive charged hadron distributions as obtained from the DELPHI measurements at 130, 136, 161, 172 and 183 GeV are presented as a function of the variables rapidity, ξp, p and transversal momenta. Data are compared with event generators and with MLLA calculations, in order to examine the hypothesis of local parton hadron duality. The differential momentum spectra show an indication for coherence effects in the production of soft particles. The relation between the energy dependence of the charged multiplicity and the rapidity distribution is examined. © 1999 Elsevier Science B.V. All rights reserved.