Mean field effects in heavy-ion collisions at AGS energies

Details Mean field effects in heavy-ion collisions at AGS energies Mean field effects in heavy-ion collisions at AGS energies

1995-02-28

arxiv.org/abs/nucl-th/9502047v1

Physics

Nuclear Physics

Nuclear Theory

LaTex, 11 pages, 3 figures are available from Bao-An Li upon request. Comments on the preprint are welcome.

Scientific paper

The question whether mean field effects exist in heavy-ion collisions at AGS energies is studied in the framework of A Relativistic Transport (ART) model. It is found that in central collisions of Au+Au at $P_{beam}/A=$11.6 GeV/c a simple, Skyrme-type nuclear mean field satisfying the causality requirement reduces the maximum baryon and energy densities reached in the cascade model by about 30\% and 40\%, respectively. The mean field affects the inclusive, single particle observables of various hadrons by at most 20\%. We show, however, that the mean field causes a factor of 2.5 increase in the strength of the baryon transverse collective flow.

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