THE EFFECT OF COMPRESSION AND THERMAL EXCITATION FOR FRAGMENTATION DYNAMICS PROCESS OF HIC

GE Ling-Xiao; ZENG Xiang-Hua; LIU Jian-Ye; ZENG Bao-Sheng

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2024年10月30日

Chinese Physics C> 1990, Vol. 14> Issue(3) : 278-281

THE EFFECT OF COMPRESSION AND THERMAL EXCITATION FOR FRAGMENTATION DYNAMICS PROCESS OF HIC

Institute of Modern Physics,Academia Sinica,Lanzhou1 Department of Modern Physics,Lanzhou University

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Abstract：
The expansion dynamical process of a hot nuclear system for energetic heavy ion collision has been calculated and discussed in the frame of the Vlasov equation.It shows that the compression effects are more effective than the thermal excitation for the fragmentation process.

References

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葛凌霄、刘建业、王顺金，高能物理与核物理，13(1989),245,[2] J. Aichelin and G. F. Bertsch, Phys, Rev., C31(1985), 1730.[3] C. Gregoire et al., Nucl. Phys., A465(1987), 317[4] B. Serack and J. Knsll, Z. Pleysik. A315(1984), 249[5] 葛凌霄、卓益忠，“非相对论BUU方程”，高能物理与核物理,14(1989),642.[6] J. Cugon e: al., Nucl, Phys.,A352(1981), 505.[7] G. F. Bertsch et al., Phys. Rev., C29(1984), 673[8] 葛凌霄，“中能重离子反应”，核技术，待发表.[9] L. X. Ge, X. H. Zeng, J. Y. Liu and B, S. Zeng, Proceedings of the Interntational Summer School on Heavy lon Reaction Theory, Lanzhou,China, 1988, edited by W. Q. Shen, J. Y, Liu and L .X.Ge (World Scientific, Singapore, 1989), p .283.[10] G, F. Bertsch et al., Phys, Rep., 160(1988), 189.[11] H. Tang et al.,Phys. Lett., 101B(1981), 10.

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[2]	JIN Yun-Fan , WANG Zhi-Guang . Ion Velocity Effect in the Process of the Damage Creation in Solid Materials Induced by Swift Heavy Ion Irradiations. Chinese Physics C, 2005, 29(11): 1115-1120.
[3]	ZHAO Qiang , LIU JianYe , ZHANG FengShou , WANG ShunJin , ZUO Wei , CHEN LieWen . Isospin Effect in Multifragmentation Process of Heavy Ion Collisions at Intermediate Energy. Chinese Physics C, 2000, 24(11): 1024-1029.
[4]	Li Panlin , Wu Hua , Xu Mengjie . Dynamics of Phase Transition Including Quark-Fragment Effects foran Expansion Quark-Gluon Plasma. Chinese Physics C, 1997, 21(10): 918-925.
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[18]	LIU Jian-Ye , LI Jun-Qing , QIAO Wei-Min , CHEN Pei-Jun , SHEN Wen-Qing , TAN Nan-Hong . THE SHELL EFFECTS IN HEAVY ION COLLISIONS FOR LOW BOBARDMENT ENERGIES. Chinese Physics C, 1988, 12(6): 840-847.
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[20]	ZHONG Ji-Quan , GE Ling-Xiao , LIU Jian-Ye , YU Xian . A DYNAMICAL METHOD IN DEEP IN ELASTIC COLLISION OF HEAVY IONS. Chinese Physics C, 1983, 7(5): 598-604.

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GE Ling-Xiao, ZENG Xiang-Hua, LIU Jian-Ye and ZENG Bao-Sheng. THE EFFECT OF COMPRESSION AND THERMAL EXCITATION FOR FRAGMENTATION DYNAMICS PROCESS OF HIC[J]. Chinese Physics C, 1990, 14(3): 278-281.

GE Ling-Xiao, ZENG Xiang-Hua, LIU Jian-Ye and ZENG Bao-Sheng. THE EFFECT OF COMPRESSION AND THERMAL EXCITATION FOR FRAGMENTATION DYNAMICS PROCESS OF HIC[J]. Chinese Physics C, 1990, 14(3): 278-281. shu

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

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

THE EFFECT OF COMPRESSION AND THERMAL EXCITATION FOR FRAGMENTATION DYNAMICS PROCESS OF HIC

Corresponding author: GE Ling-Xiao,

Institute of Modern Physics,Academia Sinica,Lanzhou1 Department of Modern Physics,Lanzhou University

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1990-03-05

Abstract: The expansion dynamical process of a hot nuclear system for energetic heavy ion collision has been calculated and discussed in the frame of the Vlasov equation.It shows that the compression effects are more effective than the thermal excitation for the fragmentation process.