The production at central rapidity of K-S(O), Lambda, Xi and Omega particles in Pb-Pb collisions at 158 A GeV/c has been measured by the NA57 experiment over a centrality range corresponding to the most central 53% of the inelastic Pb-Pb cross section. In this paper we present the rapidity distribution of each particle in the central rapidity unit as a function of the event centrality. The distributions are analysed based on hydrodynamical models of the collisions.
Rapidity distributions around mid-rapidity of strange particles in Pb-Pb collisions at 158 A GeV/c
DI BARI, Domenico;BRUNO, GIUSEPPE EUGENIO;
2005-01-01
Abstract
The production at central rapidity of K-S(O), Lambda, Xi and Omega particles in Pb-Pb collisions at 158 A GeV/c has been measured by the NA57 experiment over a centrality range corresponding to the most central 53% of the inelastic Pb-Pb cross section. In this paper we present the rapidity distribution of each particle in the central rapidity unit as a function of the event centrality. The distributions are analysed based on hydrodynamical models of the collisions.File in questo prodotto:
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