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

Abstract

The NA57 experiment has collected high statistics, high purity samples of \PKzS and \PgL, $\Xi$ and $\Omega$ 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.

22 pages, 14 figures, submitted to J. Phys. G: Nucl. Phys

References in corpus (4)

• Single Identified Hadron Spectra from sqrt(s_NN)=130 GeV Au+Au Collisions
• Strangeness from 20 AGeV to 158 AGeV
• A comparison of statistical hadronization models
• Omega and AntiOmega production in Pb+Pb and p+p collisions at 30, 40 and 158 AGeV

Cited by in corpus (14)

• Enhancement of hyperon production at central rapidity in 158 A GeV/c Pb-Pb collisions
• Examine the species and beam-energy dependence of particle spectra using Tsallis Statistics
• Energy dependence of hyperon production in nucleus-nucleus collisions at SPS
• Strange hadron production in heavy ion collisions from SPS to RHIC
• Strangeness enhancements at central rapidity in 40 A GeV/c Pb-Pb collisions
• Central-to-peripheral nuclear modification factors in Pb-Pb collisions at sqrt{s_NN} = 17.3 GeV
• New results from the NA57 experiment
• Predictions for the LHC heavy ion programme
• Rapidity distributions around mid-rapidity of strange particles in Pb-Pb collisions at 158 $A$ GeV/c
• Strange particle production in 158 and 40 $A$ GeV/$c$ Pb-Pb and p-Be collisions
• Transverse dynamics of Pb-Pb collisions at 40 A GeV/c viewed by strange hadrons
• System and Energy Dependence of Strangeness Production with STAR
• Expansion dynamics of Pb-Pb collisions at 40 A GeV/c viewed by negatively charged hadrons
• Results on hyperon production from the NA57 experiment