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Baryon-strangeness correlations in parton/hadron transport model for Au+Au collisions at \sqrt{s_{\rm NN}} = 200 GeV

F Jin et al 2008 J. Phys. G: Nucl. Part. Phys. 35 044070 (6pp)   doi: 10.1088/0954-3899/35/4/044070  Help

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F Jin1,2, Y G Ma1, G L Ma1, J H Chen1,2, S Zhang1,2, X Z Cai1, H Z Huang3, J Tian1,2, C Zhong1 and J X Zuo1,2
1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, PO Box 800-204, Shanghai 201800, People's Republic of China
2 Graduate School of the Chinese Academy of Sciences, Beijing 100080, People's Republic of China
3 Deptartment of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA
E-mail: ygma@sinap.ac.cn

Abstract. Baryon-strangeness correlation (CBS) has been investigated with a multi-phase transport model (AMPT) in 197Au+197Au collisions at \sqrt{s_{\rm NN}} = 200 GeV. The centrality dependence of CBS is presented within the model, from partonic phase to hadronic matter. We find that the system still reserves partial predicted signatures of CBS 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 CBS signatures.

Print publication: Issue 4 (April 2008)
Received 30 September 2007
Published 17 March 2008

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