Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1999-01-20
Physics
Nuclear Physics
Nuclear Theory
3 pages, 2 figures; Contribution to the GSI annual scientific report 1998
Scientific paper
We investigate the impact parameter dependence of the specific entropy S/A in
relativistic heavy ion collisions. Especially the anti-Lambda/anti-proton ratio
is found to be a useful tool to distinguish between chemical equilibrium
assumptions assumed in hydrodynamics (here: the 3-fluid model) and the chemical
non-equilibrium scenario like in microscopic models as the UrQMD model.
Bleicher Marcus
Brachmann J.
Dumitru Adrian
Greiner Walter
Maruhn Joachim A.
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