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Study of the transverse mass spectra of strange particles in Pb-Pb collisions at 158 A GeV/c

The NA57 Collaboration·F Antinori
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Abstract

The NA57 experiment has collected high statistics, high purity samples of \PKzS and \PgL, $Ξ$ and $Ω$ hyperons produced in Pb-Pb collisions at 158 $A$ GeV/$c$. In this paper we present a study of the transverse mass spectra of these particles for a sample of events corresponding to the most central 53% of the inelastic Pb-Pb cross-section. We analyse the transverse mass distributions in the framework of the blast-wave model for the full sample and, for the first time at the SPS, as a function of the event centrality.

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The NA57 Collaboration, F Antinori. 2004-03-15. Study of the transverse mass spectra of strange particles in Pb-Pb collisions at 158 A GeV/c. https://doi.org/10.1088/0954-3899%2F30%2F6%2F011

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