Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-10-09
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 2 figures; submitted for publication in EPJ C
Scientific paper
Particle production in high-energy collisions is often addressed within the framework of the thermal (statistical) model. We present a method to calculate the canonical partition function for the hadron resonance gas with exact conservation of the baryon number, strangeness, electric charge, charmness and bottomness. We derive an analytical expression for the partition function which is represented as series of Bessel functions. Our results can be used directly to analyze particle production yields in elementary and in heavy ion collisions. We also quantify the importance of quantum statistics in the calculations of the light particle multiplicities in the canonical thermal model of the hadron resonance gas.
Andronic A.
Beutler Florian
Braun-Munzinger Peter
Redlich Krzysztof
Stachel Johanna
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