Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision

  • The nuclear matter density,collision number and entropy in the dynamic process of heavy ion collision 40Ca+40Ca at EL=400MeV/A for very central collision were calculated.The results show that the nuclear spatial density distributions depend mainly on the mean field but rarely on the nucleonnucleon collisions.The density distribution in the momentum space,collision number and entropy are influenced by the mean field and nucleon-nucleon collision,especially the medium effects.
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  • [1] 刘建业、葛愉成、葛凌霄,中能重离子碰撞动力学过程中的介质效应,高能物理与核物理,待发表.[2] Haar and R. Malfield, Phys. Rev., C36(1987) 1611.[3] G. Bertsch, G. E. Brown et al., Nucl. Phys., A490(1988), 745.[4] G.Bertsch and S. Dasgupta, Phys. Rep., 160(1988), 190.
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LIU Jian-Ye and GE Yu-Cheng. Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision[J]. Chinese Physics C, 1991, 15(6): 556-561.
LIU Jian-Ye and GE Yu-Cheng. Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision[J]. Chinese Physics C, 1991, 15(6): 556-561. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision

    Corresponding author: LIU Jian-Ye,
  • Institute of Modern Physics,Academia Sinics,Lanzhou 730000

Abstract: The nuclear matter density,collision number and entropy in the dynamic process of heavy ion collision 40Ca+40Ca at EL=400MeV/A for very central collision were calculated.The results show that the nuclear spatial density distributions depend mainly on the mean field but rarely on the nucleonnucleon collisions.The density distribution in the momentum space,collision number and entropy are influenced by the mean field and nucleon-nucleon collision,especially the medium effects.

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