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题名: Deformed potential energy of (263)Db in a generalized liquid drop model
作者: Chen, BQ ;  Ma, ZY ;  Zhao, YL
刊名: CHINESE PHYSICS LETTERS
出版日期: 2003
卷号: 20, 期号:11, 页码:1936-1939
关键词: SUPERHEAVY NUCLEI
学科分类: Physics
通讯作者: Chen, BQ , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
部门归属: Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; 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 macroscopic deformed potential energy for super-heavy nuclei (263)Db, which governs the entrance and alpha decay channels, is determined within a generalized liquid drop model (GLDM). A quasi-molecular shape is assumed in the GLDM, which includes volume-, surface-, and Coulomb-energies, proximity effects, mass asymmetry, and an accurate nuclear radius. The microscopic single particle energies are derived from a shell model in an axially deformed Woods-Saxon potential with a quasi-molecular shape. The shell correction is calculated by the Strutinsky method. The total deformed potential energy of a nucleus can be calculated by the macro-microscopic method as the summation of the liquid-drop energy and the Strutinsky shell correction. The theory is applied to predict the deformed potential energy of the experiment Ne-22 + Am-241 --> (263)Db* --> (259)Db + 4n, which was performed on the Heavy Ion Accelerator in Lanzhou. It is found that the neck in the quasi-molecular shape is responsible for the deep valley of the fusion barrier due to the shell corrections. In the cold fusion path, the double-hump fusion barrier is predicted by the shell correction and complete fusion events may occur.
收录类别: SCI
WOS记录号: WOS:000186504900009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14193
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:
Chen, BQ,Ma, ZY,Zhao, YL. Deformed potential energy of (263)Db in a generalized liquid drop model[J]. CHINESE PHYSICS LETTERS,2003,20(11):1936-1939.
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