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题名: Possible Mechanisms of Ternary Fission in the (197)Au+(197)Au System at 15 A MeV
作者: Tian Jun-Long ;  Li Xian ;  Wu Xi-Zhen ;  Li Zhu-Xia ;  Yan Shi-Wei
刊名: CHINESE PHYSICS LETTERS
出版日期: 2009
卷号: 26, 期号:6, 页码:-
关键词: COLLISIONS ;  MEV/NUCLEON
学科分类: Physics
通讯作者: Tian, JL , Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China, Peoples R China
部门归属: [Tian, JL; Li, X; Yan, SW] Beijing Normal Univ, Coll Nucl Sci & Technol, Beijing 100875, Peoples R China; [Wu, XZ; Li, ZX] China Inst Atom Energy, Beijing 102413, Peoples R China; [Li, ZX] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Ternary fission in (197)Au+(197)Au collisions at 15 A MeV is investigated by using the improved quantum molecular dynamical (ImQMD) model. The experimental mass distributions for each of the three fragments are reproduced for the first time without any freely adjusting parameters. The mechanisms of ternary fission in central and semi-central collisions are dynamically studied. In direct prolate ternary fission, two necks are found to be formed almost simultaneously and rupture sequentially in a very short time interval. Direct oblate ternary fission is a very rare fission event, in which three necks are formed and rupture simultaneously, forming three equally sized fragments along space-symmetric directions in the reaction plane. In sequential ternary fission a binary division is followed by another binary fission event after hundreds of fm/c.
资助者: National Natural Science Foundation of China[10875031, 10675172]; Ministry of Personnel[MOP2006138]; Ministry of Education of China[MOE2005383]; National Basic Research Program[2007CB209900]
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5315
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Tian Jun-Long,Li Xian,Wu Xi-Zhen,et al. Possible Mechanisms of Ternary Fission in the (197)Au+(197)Au System at 15 A MeV[J]. CHINESE PHYSICS LETTERS,2009,26(6):-.
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