High Energy Unequal-nuclei Collisions and Relaxation Time in Fokker Plank Equation

  • In this paper,the time evolution of high energy heavy ion collisions is described by Fokker-Planck Equation.The rapidity distribution of the final state particles is analysed with this model for 16O and 32S particles beams of 200AGeV.The relaxation time for various systems are determined.Results comparable to the usual empirical data are obtained.
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  • [1] H, Von Gersdorff et al., Phys. Rev., D34(1986), 794,[2]U. Heinz, Nud. Phys., A461(1987), 49c,[3]P. F. Zhuang, Z,Q, Wang, and L.S. Liu, Z. Phys., C32(1986), 93沈国金等,高能物理与核物理,13(1989),205,[4]H.Haken, Mod. Phys. Rev., 47(1975), 67.[5]王竹溪,统计物理学导论,人民教育出版社(1965),
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BAI Ge, YANG Wei and LI Jia-Rong. High Energy Unequal-nuclei Collisions and Relaxation Time in Fokker Plank Equation[J]. Chinese Physics C, 1993, 17(1): 57-64.
BAI Ge, YANG Wei and LI Jia-Rong. High Energy Unequal-nuclei Collisions and Relaxation Time in Fokker Plank Equation[J]. Chinese Physics C, 1993, 17(1): 57-64. shu
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Received: 1900-01-01
Revised: 1900-01-01
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High Energy Unequal-nuclei Collisions and Relaxation Time in Fokker Plank Equation

    Corresponding author: BAI Ge,
  • Department of Physics,Huangzhong Normal University,Wuhan 430070Institute of Particle Physics Huazhong Normal University Wuhan 430070

Abstract: In this paper,the time evolution of high energy heavy ion collisions is described by Fokker-Planck Equation.The rapidity distribution of the final state particles is analysed with this model for 16O and 32S particles beams of 200AGeV.The relaxation time for various systems are determined.Results comparable to the usual empirical data are obtained.

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