Strange hadrons and their resonances: A diagnostic tool of quark-gluon plasma freeze-out dynamics

Johann Rafelski, Jean Letessier, Giorgio Torrieri

Research output: Contribution to journalArticle

81 Scopus citations

Abstract

We update our chemical analysis of (strange) hadrons produced at the SPS in Pb-Pb collisions at 158A GeV and discuss chemical analysis of RHIC results. We report that the shape of (anti)hyperon m spectra in a thermal freeze-out analysis leads to freeze-out conditions found in chemical analysis, implying sudden strange-hyperon production. We discuss how a combined analysis of several strange-hadron resonances of differing lifespan can be used to understand the dynamical process present during chemical and thermal freeze-outs. In medium resonance quenching is considered.

Original languageEnglish (US)
Article number054907
Pages (from-to)549071-549077
Number of pages7
JournalPhysical Review C - Nuclear Physics
Volume64
Issue number5
DOIs
StatePublished - Nov 2001

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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