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

LIU Jian-Ye; GE Yu-Cheng

Chinese Physics C> 1991, Vol. 15> Issue(6) : 556-561

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

LIU Jian-Ye ^, ,
GE Yu-Cheng

Institute of Modern Physics,Academia Sinics,Lanzhou 730000

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Abstract：
The nuclear matter density,collision number and entropy in the dynamic process of heavy ion collision ⁴⁰Ca+⁴⁰Ca at E_L=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.

References

[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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沈阳化工大学材料科学与工程学院沈阳 110142

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

LIU Jian-Ye ^,
GE Yu-Cheng

Corresponding author: LIU Jian-Ye,

Institute of Modern Physics,Academia Sinics,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1991-06-05

Abstract: The nuclear matter density,collision number and entropy in the dynamic process of heavy ion collision ⁴⁰Ca+⁴⁰Ca at E_L=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.