Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-12-07
J.Phys. G31 (2005) S725-S732
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 2 figures. Invited talk given at 8th International Conference on Strangeness in Quark Matter (SQM2004), Cape Town, So
Scientific paper
10.1088/0954-3899/31/6/013
A scenario of heavy resonances, called massive Hagedorn states, is proposed which exhibits a fast ($t\approx 1$ fm/c) chemical equilibration of (strange) baryons and anti-baryons at the QCD critical temperature $T_c$. For relativistic heavy ion collisions this scenario predicts that hadronization is followed by a brief expansion phase during which the equilibration rate is higher than the expansion rate, so that baryons and antibaryons reach chemical equilibrium before chemical freeze-out occurs.
Greiner Carsten
Koch-Steinheimer P.
Liu Fa-Min
Shovkovy Igor A.
Stoecker Horst
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