超重核的生成和衰变

原子核物理评论 , 2003, 20(2): 102-110. doi: 10.3969/j.issn.1007-4627.2003.02.006

超重核的生成和衰变

陈宝秋 ^1, , 马中玉 ^2, , 荣健 ^3, , 赵耀林 ^4,

1.兰州重离子加速器国家实验室原子核理论中心,甘肃,兰州,730000;中国原子能科学研究院,北京,102413

2.兰州重离子加速器国家实验室原子核理论中心,甘肃,兰州,730000;中国原子能科学研究院,北京,102413;中国科学院理论物理研究所,北京,100080

3.中国原子能科学研究院,北京,102413

4.中国原子能科学研究院,北京,102413

基金项目: 国家自然科学基金(10235020) 国家研究发展基金(G200077407) 国家自然科学基金(10275094,10175092)

关键词：超重核 , 推广的液滴模型 , α衰变 , 完全熔合反应

Formation and Decay of Superheavy Elements

简单介绍了近年来在超重核研究方面所取得的成就和理论方面所面临的挑战.着重介绍推广的液滴模型和准分子形状机制,它们的优点是考虑了精确的核半经、质量和电荷的不对称性、形变、亲和力和温度等.推广的液滴模型和准分子形状机制能很好地描述重核和超重核的裂变、衰变及完全熔合反应.

参考文献

[1]	Sobiczewski A, Gareev F A, Kalinkin B N. Closed Shells for Z ＞82 and N ＞126 in a Diffuse Potential Well[J]. Phys Lett,1966, 22: 500.
[2]	Hofmann S, Muezenberg G. The Discovery of the Heaviest Elements[J]. Rev Mod Phys, 2000, 72: 733; Armbruster P.On the Quest of Production of Superheavy Nuclei in Reaction of 48Ca with the Heaviest Cctinide Targets[J]. Eur Phys J,2000, A7: 23.
[3]	Muezenberg G. Superheavy Elements-discoveries and Challenges[J]. Nucl Phys, 2001, A690: 175c.
[4]	Oganessian Yu Ts, Utyonkov V K, Lobano Yu V, et al. Observation of the Decay of 292116[J]. Phys Rev, 2000, C63:011301.
[5]	Gan Z G, Qin Z, Fan H M, et al. A New Alpha-particle Emitting Isotope 259Db[J]. Eur Phys J, 2001, A10: 21.
[6]	Smolanczuk R. Properties of the Hypothetical Spherical Superheavy Nuclei[J]. Phys Rev, 1997, C56: 812.
[7]	Patra S K, Wu C L, Praharaj C R, et al. A Study of Superheavy Nuclei for Z = 114 and Beyond Using the Relativistic Mean Field Approach[J]. Nucl Phys, 1999, A651: 117.
[8]	Royer G, Rernaud B. Static and Dynamic Fusion Barries in Heavy-ion Reaction[J]. Nucl phys, 1985, A444: 477; Moustabchir R, Royer G. Analytic Expressions for the Proximity Energy, the Fusion Process and the α Emission[J]. Nucl Phys, 2001, A683: 266.
[9]	Royer G, Rernaud B. Static and Dynamic Fusion Barries in Heavy-ion Reaction[J]. Nucl phys, 1985, A444: 477; Moustabchir R, Royer G. Analytic Expressions for the Proximity Energy, the Fusion Process and the α Emission[J]. Nucl Phys, 2001, A683: 266.
[10]	Royer G. Alpha Emission and Spontaneous Fission Through Quasi-molecular Shapes[J]. J of Nucl and Part Phys, 2000,G26:1149.
[11]	Royer G, Moustabchir R. Alpha Emission as an Asymmetric Fission and Superheavy Elenent Decay[A]. Proceedings of the 9th International Conference on Nuclear Reaction Mechanisms [C]. Varenna, June 5-9, 2000, 609.
[12]	Royer G, Moustabchir R. Alpha Emission as an Asymmetric Fission and Superheavy Elenent Decay[A]. Proceedings of the 9th International Conference on Nuclear Reaction Mechanisms [C]. Varenna, June 5-9, 2000, 609.

上一张下一张

计量

下载量()
访问量()

作者相关

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

超重核的生成和衰变

Formation and Decay of Superheavy Elements

参考文献