Multi-strange baryon production in Au+Au collisions near threshold

Details Multi-strange baryon production in Au+Au collisions near threshold Multi-strange baryon production in Au+Au collisions near threshold

2003-12-04

arxiv.org/abs/nucl-th/0312015v1

Phys.Lett. B586 (2004) 297-302

Physics

Nuclear Physics

Nuclear Theory

5 pages, 6 figures

Scientific paper

10.1016/j.physletb.2004.02.048

The centrality dependence of Xi^- and Lambda production in Au+Au interactions at E_lab=6 AGeV is studied within a microscopic transport approach. In line with recent data, a slight enhancement of the Xi^-/(Lambda+Sigma^0) ratio toward central collisions is found. It is demonstrated that the observed production of multiple strange baryons can be traced back to multi-step meson-baryon interactions in the late stages of the collisions. Therefore, the present analysis supports an interpretation of the observed Xi abundance in terms of hadronic re-scattering.

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