Entropy Production,Collision Number and the Forming Process of Hot Nucleus

LIU Jian-Ye; YANG Fu-Zhong

Chinese Physics C> 1992, Vol. 16> Issue(5) : 468-474

Entropy Production,Collision Number and the Forming Process of Hot Nucleus

LIU Jian-Ye ^, ,
YANG Fu-Zhong

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

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Abstract：
The time processes of entropy production and collision number in intermediate energy heavy ion collisions were calculated by use of BUU equation with momentum dependence mean field and nucleon-nucleon collisions in the medium.The effects of momentum dependence mean field and nucleon-nucleon collisions in the medium on the entropy production and collision number are obvious and sensitive to impact parameter and bombarding energy.Especially these time processes reflect the properties of hot nuclear matter.

References

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刘建业，葛愉成，葛凌霄，高能物理与核物理，15(1991)， 71[2] R. B. Wiringa, Phys. Rev., C38(1988), 2967.[3] C. Gale, G. M. Welke, M, Prakash, S, J. Lee, and S.Das Gupta, Phys Rev., C41(1990),1545[4] G. F. Bertsch and H, Kruse, and S, Das Gupta, Phys.Rev., C29(1984),673.[5] 杨富中，刘建业，Annal Report of Institute of Mordern Physics, Academia Sinica, (1990).[6] J. Aichelin, A. Rosenhauer, G.Stoecker and W. Greiner, Phys. Rev. Lett., 58(1987), 1926.

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LIU Jian-Ye and YANG Fu-Zhong. Entropy Production,Collision Number and the Forming Process of Hot Nucleus[J]. Chinese Physics C, 1992, 16(5): 468-474.

LIU Jian-Ye and YANG Fu-Zhong. Entropy Production,Collision Number and the Forming Process of Hot Nucleus[J]. Chinese Physics C, 1992, 16(5): 468-474. shu

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Received: 1900-01-01
Revised: 1900-01-01

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Entropy Production,Collision Number and the Forming Process of Hot Nucleus

LIU Jian-Ye ^,
YANG Fu-Zhong

Corresponding author: LIU Jian-Ye,

Institute of Modern Physics,Academia Sinica,Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-05-05

Abstract: The time processes of entropy production and collision number in intermediate energy heavy ion collisions were calculated by use of BUU equation with momentum dependence mean field and nucleon-nucleon collisions in the medium.The effects of momentum dependence mean field and nucleon-nucleon collisions in the medium on the entropy production and collision number are obvious and sensitive to impact parameter and bombarding energy.Especially these time processes reflect the properties of hot nuclear matter.