Multiplicity distributions and charged-neutral fluctuations

Authors
Citation
Tk. Nayak, Multiplicity distributions and charged-neutral fluctuations, PRAMANA-J P, 57(2-3), 2001, pp. 285-300
Citations number
27
Categorie Soggetti
Physics
Journal title
PRAMANA-JOURNAL OF PHYSICS
ISSN journal
03044289 → ACNP
Volume
57
Issue
2-3
Year of publication
2001
Pages
285 - 300
Database
ISI
SICI code
0304-4289(200108/09)57:2-3<285:MDACF>2.0.ZU;2-H
Abstract
Results from the multiplicity distributions of inclusive photons and charge d particles, scaling of particle multiplicities, event-by-event multiplicit y fluctuations, and charged-neutral fluctuations in 158A GeV Pb+Pb collisio ns are presented and discussed. A scaling of charged particle multiplicity as N-part(1.07 +/-0.05) and photons as N-part(1.12 +/-0.03) have been obser ved, indicating violation of naive wounded nucleon model. The analysis of l ocalized charged-neutral fluctuation indicates a model-independent demonstr ation of non-statistical fluctuations in both charged particles and photons in limited azimuthal regions. However, no correlated charged-neutral fluct uations are observed.