Xi production at AGS energies

Details Xi production at AGS energies Xi production at AGS energies

2002-11-07

arxiv.org/abs/nucl-th/0211020v2

Phys. Lett. B 595 (2004) 158

Physics

Nuclear Physics

Nuclear Theory

Title changed, Modified version, 5 pages, RevTex

Scientific paper

10.1016/j.physletb.2004.06.045

A relativistic transport model is used to study Xi- production in 2-11A GeV Au+Au collisions. Introducing the strangeness-exchange reactions between antikaons and hyperons as the sources for Xi-, we find that the cascade yield in these collisions is in reasonable agreement with the data. Although the Xi- abundance does not reach chemical equilibrium unless the cross section for strangeness-exchange reactions is enhanced by six times, it exhibits the strongest enhancement with increasing centrality of collision and with increasing beam energy.

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