Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2007-12-03
J.Phys.G35:044070,2008
Physics
Nuclear Physics
Nuclear Theory
6 pages, 5 figures; to appear in Proceeding of International Conference on "Strangeness in Quark Matter", 24 - 29 June 2007, L
Scientific paper
10.1088/0954-3899/35/4/044070
Baryon-strangeness correlation (C$_{BS}$) has been investigated with a multi-phase transport model (AMPT) in $^{197}$Au + $^{197}$Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. The centrality dependence of C$_{BS}$ is presented within the model, from partonic phase to hadronic matter. We find that the system still reserve partial predicted signatures of C$_{BS}$ after parton coalescence. But after hadronic rescattering, the predicted signatures will be obliterated completely. So it seems that both coalescence hadronization process and hadronic rescattering are responsible for the disappearance of the C$_{BS}$ signatures.
Cai Xiang-Zhou
Chen Jacqueline H.
Huang Huan Zhong
Jin Fengping
Ma Guo Lin
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