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Charged particle multiplicities at the CERN SPS collider

par Alpgard, K;Wilquet, Gaston ;Bertrand, Daniel ; [et al.]
Référence Physics letters. Section B, 107, page (315-319)
Publication Publié, 1981

Article révisé par les pairs

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Résumé :

First results from UA5 on charged particle multiplicities from pp interactions at √s = 540 GeV are presented. A value of 27.4 ± 2.0 is obtained for the mean charged multiplicity 〈nch〉 of produced hadrons. This excludes an s 1 4 behaviour of 〈nch〉 in going from ISR to Collider energies, but is not in disagreement with an extrapolation using a quadratic fit in ln s to previous lower energy data up to ISR energies. © 1981.