超重核性质的新观点

原子核物理评论 , 2005, 22(2): 153-166. doi: 10.3969/j.issn.1007-4627.2005.02.001

超重核性质的新观点

基金项目: 国家重点基础研究发展计划(973计划)(G2000077400) 国家自然科学基金(10125521) 高等学校博士学科点专项科研项目(20010284036)

New Perspective on Properties of Superheavy Nuclei

Keywords： long lifetime heavy nuclei , nuclear deformation , α-decay , spontaneous fission

简单回顾了超重核的理论研究现状, 讨论了形变对长寿命重核α衰变半衰期的影响. 分析了相对论平均场模型的有效范围. 强调了α衰变、结团放射性和自发裂变中应保持宇称守恒. 提出了一些新观点.

Status of theoretical studies on superheavy nuclei is simply reviewed. We investigate the influence of nuclear deformation on half-lives of α-decay for long lifetime nuclei beyond 208Pb. The range of the validity of relativistic mean-field model is analyzed and discussed. The conservation of parity in α-decay, cluster-radioactivity, and spontaneous fission of nuclei is stressed. New views on the properties of superheavy nuclei are presented.

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