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Deformed potential energy of (263)Db in a generalized liquid drop model
Chen, BQ; Ma, ZY; Zhao, YL; Chen, BQ , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
2003
发表期刊CHINESE PHYSICS LETTERS
ISSN0256-307X
卷号20期号:11页码:1936-1939
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.
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
关键词Superheavy Nuclei
学科领域Physics
收录类别SCI
WOS记录号WOS:000186504900009
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14193
专题理论物理所SCI论文
通讯作者Chen, BQ , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.
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Chen, BQ,Ma, ZY,Zhao, YL,et al. Deformed potential energy of (263)Db in a generalized liquid drop model[J]. CHINESE PHYSICS LETTERS,2003,20(11):1936-1939.
APA Chen, BQ,Ma, ZY,Zhao, YL,&Chen, BQ , Natl Lab Heavy Ion Accelerator Lanzhou, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China..(2003).Deformed potential energy of (263)Db in a generalized liquid drop model.CHINESE PHYSICS LETTERS,20(11),1936-1939.
MLA Chen, BQ,et al."Deformed potential energy of (263)Db in a generalized liquid drop model".CHINESE PHYSICS LETTERS 20.11(2003):1936-1939.
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