Isospin Effects on Dynamics of Heavy Ion Collisions

Zhu Quanling; Ge Lingxiao; Zhang Xiaodong

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1994, Vol. 18> Issue(9) : 853-857

Isospin Effects on Dynamics of Heavy Ion Collisions

Institute of Modern Physics, Academia Sinica. Lanzhou 730000

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Abstract：
The interaction terms of the isospin-dependent symmetric energy and Coulomb energy are considered in the quantum molecular dynamics. The effects of thesymmetric energy on the mass distribution and cluster formation in the head oncollisions of the systems ²⁰Ne+²⁰Ne and ²⁸Ne+²⁰Ne at the incident energy of 30MeV/u are discussed, and the favorable condition for synthesizing neutron-rich isotopes is predicted.

References

[1]	R.anne et al.,Phys.Lett,B250（1990）19.[2]V.delaMota et al.XXVII Winter Meettingon Nucl.Phys,Bormio,Italy（1990）.[3]朱全伶、葛凌霄、李祝霞，高能物理与核物理，16（1992）658.[4]D.Vautherin and D.M.Brinh,Phys.Rev.,C5（1972）626.

[1]	LIU Jian-Ye , GUO Wen-Jun , Xing Yong-Zhong , LI Xi-Guo . Isospin Effect of Momentum Dependent Interaction in Heavy Ion Collisions. Chinese Physics C, 2005, 29(5): 456-460.
[2]	XING Yong-Zhong , LIU Jian-Ye , GUO Wen-Jun . Liquid-Gas Phase Transition and Isospin Fractionation in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2004, 28(6): 607-610.
[3]	XING Yong-Zhong , LIU Jian-Ye , GUO Wen-Jun . Isospin Effects in the Isospin Fractionation Process in Intermediate Energy HeavyIon Collisions. Chinese Physics C, 2004, 28(4): 403-407.
[4]	LI Zhu-Xia , ZHANG Ying-Xun , LI Qing-Feng , ZHAO Kai , WU Xi-Zhen . Isospin Effect in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2004, 28(12): 1343-1348.
[5]	GUO Wen-Jun , LIU Jian-Ye , XING Yong-Zhong , ZUO Wei , LI Xi-Guo . Isospin Fractionation Process in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2003, 27(10): 897-900.
[6]	HU Rong-Jiang , WU He-Yu , JIN Gen-Ming , ZHU Yong-Tai , LI Song-Lin , XIAO Zhi-Gang , WANG Hong-Wei , DUAN Li-Min , LI Zu-Yu , YIN Xu , WANG Su-Fang , ZHANG Bao-Guo , WEI Zhi-Yo , , , . Isospin Effect of Charged Particle Multiplicity in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2003, 27(11): 990-994.
[7]	LI Qing-Feng , LI Zhu-Xia . Probing Equilibration in HICs and Symmetry Energy by Using Isospin-Related Observables. Chinese Physics C, 2002, 26(9): 926-932.
[8]	XING Yong-Zhong , LIU Jian-Ye , GUO Wen-Jun , ZUO Wei , LI Xi-Guo . Role of Momentum Dependent Interaction on the Isospin Effects of Fragmentations and Dissipations at Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2002, 26(S1): 63-72.
[9]	GUO Wen-Jun , LIU Jian-Ye , ZUO Wei , XING Yong-Zhong , LI Xi-Guo , LI Zeng-Hua . Isospin Effect of Neutron (Proton) Emission Number in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2002, 26(12): 1264-1270.
[10]	YANG Yan-Fang , LIU Jian-Ye , ZUO Wei , GUO Wen-Jun , ZHAO Qiang . Entrance Channel Dependence of the Isospin Effects of the Nuclear Stopping in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2001, 25(8): 765-771.
[11]	ZHAO Qiang , GUO Wen-Jun , LIU Jian-Ye , ZUO Wei , WANG Shun-Jin . Isospin Dependence of Preequilibrium Nucleon Emission in Intermediate Energy Heavy Ion Collision. Chinese Physics C, 2001, 25(3): 244-250.
[12]	ZHAO Qiang , CHEN Bo , LIU JianYe , ZHANG FengShou , WANG ShunJin , CHEN LieWen , ZUO Wei . Probable Observable of Isospin Dependent Nucleon-Nucleon Cross Section in Inter Mediate Energy Heavy Ion Collisions. Chinese Physics C, 2000, 24(5): 426-430.
[13]	CHEN Bo , ZHAO Qiang , LIU JianYe , ZHANG FengShou , WANG ShunJin , CHEN LieWen , ZUO Wei . A Sensitive Probe for Isospin-Dependent Nucleon-Nucleon Cross Section in Intermediate Energy Heavy Ion Collision. Chinese Physics C, 2000, 24(4): 326-330.
[14]	FANG DeQing , SHEN WenQing , FENG Jun , CAI XiangZhou , SU QianMin , MA YuGang . Isospin Effect of Fragmentation Reaction and Its Disappearance in Intermediate Energy Heavy Ion Collisions. Chinese Physics C, 2000, 24(10): 949-954.
[15]	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.
[16]	Chen Liewen , Zhang Fengshou , Jin Genming . Isospin Effects on Balance Energy in HIC at Intermediate Energies. Chinese Physics C, 1999, 23(5): 469-474.
[17]	Chu Zili , Zheng Yuming . Simulation of Heavy-Ion Collision With Isospi-Separated RVUU Model. Chinese Physics C, 1998, 22(5): 429-433.
[18]	Chen Liewen , Zhang Fengshou , Zeng Xianghua , Jin Genming . Isospin Effects on Collective Flow in HIC at Intermediate Energies. Chinese Physics C, 1998, 22(11): 1035-1041.
[19]	Chen Liewen , Zhang Xiaodong , Ge Lingxiao . Isospin Effects on Pre-equilibrium NucleonEmission in Heavy Ion Collisions. Chinese Physics C, 1996, 20(12): 1091-1096.
[20]	GE Ling-Xiao , LIU Jian-Ye , WANG Shun-Jin . TWO-BODY EFFECT IN HEAVY ION COLLISION. Chinese Physics C, 1987, 11(5): 695-698.

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Zhu Quanling, Ge Lingxiao and Zhang Xiaodong. Isospin Effects on Dynamics of Heavy Ion Collisions[J]. Chinese Physics C, 1994, 18(9): 853-857.

Zhu Quanling, Ge Lingxiao and Zhang Xiaodong. Isospin Effects on Dynamics of Heavy Ion Collisions[J]. Chinese Physics C, 1994, 18(9): 853-857. 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

Isospin Effects on Dynamics of Heavy Ion Collisions

Corresponding author: Zhu Quanling,

Institute of Modern Physics, Academia Sinica. Lanzhou 730000

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-09-05

Abstract: The interaction terms of the isospin-dependent symmetric energy and Coulomb energy are considered in the quantum molecular dynamics. The effects of thesymmetric energy on the mass distribution and cluster formation in the head oncollisions of the systems ²⁰Ne+²⁰Ne and ²⁸Ne+²⁰Ne at the incident energy of 30MeV/u are discussed, and the favorable condition for synthesizing neutron-rich isotopes is predicted.