Transverse dynamics of Pb-Pb collisions at 40 A GeV/c viewed by strange hadrons

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Colleges, School and Institutes


The transverse mass spectra of K-S(0), Lambda, Xi and Omega particles produced in Pb-Pb collisions at 40AGeV/c have been studied for a sample of events corresponding to the most central 53% of the inelastic Pb-Pb cross section. We analyse the distributions in the framework of a parameterized model inspired by hydrodynamics. The dependence of the freeze-out parameters on particle species and event centrality is discussed and comparisons with results at higher energy are shown.


Original languageEnglish
Pages (from-to)2065-2080
Number of pages16
JournalJournal of Physics G: Nuclear and Particle Physics
Publication statusPublished - 1 Nov 2006