Thermal hadron production in high-energy collisions
Open Access
- 1 December 1997
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear and Particle Physics
- Vol. 23 (12) , 1933-1940
- https://doi.org/10.1088/0954-3899/23/12/017
Abstract
It is shown that hadron abundances in high-energy , pp and collisions, calculated by assuming that particles originate in hadron-gas fireballs at thermal and partial chemical equilibrium, are in very good agreement with the data. The freeze-out temperature of the hadron-gas fireballs turns out to be nearly constant over a large centre-of-mass energy range and not dependent on the initial colliding system. The only deviation from chemical equilibrium resides in the incomplete strangeness phase-space saturation. Preliminary results of an analysis of hadron abundances in S+S and S+Ag heavy-ion collisions are presented.Keywords
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