Strange particle production in relativistic nucleus-nucleus collisions at RHIC and LHC energy regions

  • PACIAE, a parton and hadron cascade model, is utilized to systematically investigate strange particle production and strangeness enhancement in Au+Au collisions and in Pb+Pb collisions with the √sNN=200 GeV at the RHIC and 2.76 TeV at the LHC, respectively. The experimental results at different centralities, using data from the STAR collaboration and the ALICE collaboration, are well described by the PACIAE model. This may represent the importance of the parton and hadron rescatterings, as well as the reduction mechanism for strange quark suppression, that are implemented in the PACIAE model.
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  • [1] Rafelski J, Mller B. Phys. Rev. Lett., 1982, 48: 1066[2] Chinellato D D. (ALICE collaboration). arXiv: 1211.7298[3] Agakishiev G (Dubna, JINR) et al. (STAR collaboration), Phys. Rev. Lett., 2012, 108: 072301[4] SA Ben-Hao, ZHOU Dai-Mei, YAN Yu-Liang, LI Xiao-Mei, FENG Sheng-Qin, CAI Xu. Comput. Phys. Commun, 2012, 183: 333-346[5] SA Ben-Hao, ZHOU Dai-Mei, DONG Bao-Guo, YAN Yu-Liang, MA Hai-Liang, LI Xiao-Mei. J. Phys. G: Nucl. Part. Phys., 2009, 36: 025007; YAN Yu-Liang, ZHOU Dai-Mei, DONG Bao-Guo, LI Xiao-Mei, MA Hai-Liang, SA Ben-Hao. Phys.Rev. C, 2012, 81: 044914; ZHOU Dai-Mei, YAN Yu-Liang, DONG Bao-Guo, LI Xiao-Mei, WANG Du-Juan, CAI Xu, SA Ben-Hao. Nucl.Phys. A, 2011, 860: 68[6] Andersson B, Gustafson G, Ingelman G, Sjstrand T. Phys. Rep., 1983, 97: 31[7] Bocquet G et al. (UA1 collaboration). Phys. Lett. B, 1996, 366: 447[8] TAI An, SA Ben-Hao. Phys. Lett. B, 1997, 409: 393[9] TAI An, SA Ben-Hao. Phys. Rev. C, 1998, 57: 261[10] LONG Hai-Yan, FENG Sheng-Qin, ZHOU Dai-Mei, YAN Yu-Liang, MA Hai-Liang, SA Ben-Hao. Phys. Rev. C, 2011, 84: 034905[11] LONG Hai-Yan, FENG Sheng-Qin. Chin. Phys. C (HEP NP), 2012, 36: 616[12] Sjstrand T, Mrenna S, Skands P. J. High Energy Phys., 2006, 05: 026[13] Combridge B L, Kripfgang J, Ranft J. Phys. Lett. B, 1977, 70: 234[14] Koch P, Müller B, Rafelski J. Phys. Rep, 1986, 142: 167[15] Baldini A et al. Total Cross Sections for Reactions of High Energy Particles. Berlin: Springer-Verlag, 1988[16] Abelev Betty (LLNL, Livermore) et al. (ALICE collaboration). arXiv: 1303.0737
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REN Xiao-Wen, FENG Sheng-Qin and YUAN Xian-Bao. Strange particle production in relativistic nucleus-nucleus collisions at RHIC and LHC energy regions[J]. Chinese Physics C, 2014, 38(5): 054102. doi: 10.1088/1674-1137/38/5/054102
REN Xiao-Wen, FENG Sheng-Qin and YUAN Xian-Bao. Strange particle production in relativistic nucleus-nucleus collisions at RHIC and LHC energy regions[J]. Chinese Physics C, 2014, 38(5): 054102.  doi: 10.1088/1674-1137/38/5/054102 shu
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Received: 2013-06-15
Revised: 2013-08-27
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Strange particle production in relativistic nucleus-nucleus collisions at RHIC and LHC energy regions

    Corresponding author: FENG Sheng-Qin,

Abstract: PACIAE, a parton and hadron cascade model, is utilized to systematically investigate strange particle production and strangeness enhancement in Au+Au collisions and in Pb+Pb collisions with the √sNN=200 GeV at the RHIC and 2.76 TeV at the LHC, respectively. The experimental results at different centralities, using data from the STAR collaboration and the ALICE collaboration, are well described by the PACIAE model. This may represent the importance of the parton and hadron rescatterings, as well as the reduction mechanism for strange quark suppression, that are implemented in the PACIAE model.

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