Strangeness Production in Au--Au collisions at $\sqrt{s_{NN}}=62.4$ GeV
Michal Petran, Jean Letessier, Vojtech Petracek, Jan Rafelski
TL;DR
This paper analyzes strangeness production in gold-gold collisions at 62.4 GeV using a statistical model, revealing universal hadronization conditions and insights into quark-gluon plasma formation.
Contribution
It provides a comprehensive statistical analysis of experimental data, demonstrating universality in hadronization conditions across centralities in heavy-ion collisions.
Findings
Successful description of strange hadron yields
Evidence for chemical non-equilibrium in hadronization
Universal conditions for QGP hadronization
Abstract
We obtain strangeness production as function of centrality in a statistical hadronization model analysis of all experimental hadron production data in Au--Au collisions at . Our analysis describes successfully the yield of strange and multi-strange hadrons recently published. We explore condition of hadronization as a function of centrality and find universality for the case of chemical non-equilibrium in the hadron phase space corresponding to quark--gluon plasma (QGP) in chemical equilibrium.
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