2,516 research outputs found
Particle Ratios at CERN, BNL and GSI : Unified Description of Freeze-Out Parameters
It is shown that the chemical freeze-out parameters obtained at CERN/SPS,
BNL/AGS and GSI/SIS energies all correspond to a unique value of 1 GeV for the
average energy per hadron.Comment: 4 pages, 3 Postscript figures, uses espcrc1.sty
Status of Chemical Equilibrium in Relativistic Heavy Ion Collisions
Recent work on chemical equilibrium in heavy ion collisions is reviewed. The
energy dependence of thermal parameters is discussed. The centrality dependence
of thermal parameters at SPS energies is presented.Comment: 7 pages, 7 Postscript figure
Van der Waals Excluded Volume Model of Multicomponent Hadron Gas
A generalization of the Van der Waals excluded volume procedure for the
multicomponent hadron gas is proposed. The derivation is based on the grand
canonical partition function for the system of particles of several species
interacting by hard core potentials. The obtained formulae for thermodynamical
quantities are consistent with underlying principles of statistical mechanics
as well as with thermodynamical identities. The model can be applied to the
analysis of experimental data for particle number ratios in relativistic
nucleus-nucleus collisions.Comment: 8 page
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