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Search for QGP and Thermal Freeze-out of Strange Hadrons

Giorgio Torrieri, Johann Rafelski

hep-pharXiv:hep-ph/0012102

Abstract

After reviewing the observables of QGP we perform an analysis of mT spectra of strange hadrons measured as function of centrality in 156AGeV Pb--Pb interactions. We show that there is a good agreement between the chemical and thermal freeze-out conditions, providing additional evidence for the formation and sudden disintegration of a supercooled QGP fireball.

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