Charged particle production in the Pb+Pb system at 158 GeV/c per nucleon
P. Deines-Jones, M. L. Cherry, A. Dabrowska, R. Holynski, D. Kudzia, B. S. Nilsen, A. Olszewski, M. Szarska, A. Trzupek, C. J. Waddington, J. P. Wefel, B. Wilczynska, H. Wilczynski, W. Wolter, B. Wosiek, K. Wozniak
Abstract
Charged particle multiplicities from high multiplicity central interactions of 158 GeV/nucleon Pb ions with Pb target nuclei have been measured in the central and far forward projectile spectator regions using emulsion chambers. Multiplicities are significantly lower than predicted by Monte Carlo simulations. We examine the shape of the pseudorapidity distribution and its dependence on centrality in detail.
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