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题名: The average lifetime of giant composite systems formed in strongly damped collisions
作者: Tian Jun-Long ;  Wu Xi-Zhen ;  Ou Li ;  Li Zhu-Xia
刊名: CHINESE PHYSICS LETTERS
出版日期: 2007
卷号: 24, 期号:10, 页码:2796-2799
关键词: SUPERHEAVY ELEMENTS ;  U-238
学科分类: Physics
通讯作者: Tian, JL , China Inst Atom Energy, Beijing 102413, Peoples R China
部门归属: China Inst Atom Energy, Beijing 102413, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The dynamic, adiabatic and diabatic entrance potentials in strongly damped reactions of U-238+U-238, Th-232+Cf-250 are calculated and compared. The feature of the dynamical potential implies that it is possible for the composite systems to stick together for a period of time. By means of the improved quantum molecular dynamics model the time evolution of the density and charge distributions of giant composite systems and their fragments for reactions U-238+U-238, Th-232+Cf-250 are investigated, from which the lifetimes of giant composite systems at different energies are obtained. The longest average lifetime of U-238+U-238, is found when the incident energy is about E-c.m.=1080MeV, which is about 1200fm/c.
收录类别: SCI
WOS记录号: WOS:000249810900023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5652
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,Wu Xi-Zhen,Ou Li,et al. The average lifetime of giant composite systems formed in strongly damped collisions[J]. CHINESE PHYSICS LETTERS,2007,24(10):2796-2799.
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