ITP OpenIR  > 理论物理所2017年知识产出
Signatures of shell evolution in alpha decay across the N=126 shell closure
Rui-Wang; Wang, RY; Qian, YB; Ren, ZZ; Qian, YB (reprint author), Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China.; Qian, YB (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.; Qian, YB (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
2017
发表期刊CHINESE PHYSICS C
卷号41期号:6页码:64103
文章类型Article
摘要Within the alpha-cluster model, we particularly investigate the alpha decay of exotic nuclei in the vicinity of the N = 126 neutron shell plus the Z = 82 proton shell. The systematics of alpha-preformation probability (P-alpha), as an indicator of the shell effect, is deduced from the ratio of the experimental decay width to the calculated one. Through the comparative analysis of the P-alpha trend in the N = 124 - 130 isotonic chain, the N = 126 and Z = 82 shell closures are believed to strongly affect the formation of the alpha particle before its penetration. Additionally, the P-alpha variety in Po and Rn isotopes is presented as another proof for such an influence. More importantly, it may be concluded that the expected neutron (or proton) shell effect gradually fades away along with the increasing valence proton (or neutron) number. The odd-even staggering presented in the P-alpha value is also discussed.
关键词Alpha-preformation Factor Shell Effect Cluster Model
学科领域Physics
资助者National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Fundamental Research Funds for the Central Universities [30916011339] ; Fundamental Research Funds for the Central Universities [30916011339] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Fundamental Research Funds for the Central Universities [30916011339] ; Fundamental Research Funds for the Central Universities [30916011339] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD)
DOIhttp://dx.doi.org/10.1088/1674-1137/41/6/064103
关键词[WOS]EVEN-EVEN NUCLEI ; STABILITY
语种英语
资助者National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Fundamental Research Funds for the Central Universities [30916011339] ; Fundamental Research Funds for the Central Universities [30916011339] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11605089, 11120101005] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Fundamental Research Funds for the Central Universities [30916011339] ; Fundamental Research Funds for the Central Universities [30916011339] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD)
WOS类目Physics, Nuclear ; Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22046
专题理论物理所2017年知识产出
通讯作者Qian, YB (reprint author), Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China.; Qian, YB (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.; Qian, YB (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.
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Rui-Wang,Wang, RY,Qian, YB,et al. Signatures of shell evolution in alpha decay across the N=126 shell closure[J]. CHINESE PHYSICS C,2017,41(6):64103.
APA Rui-Wang.,Wang, RY.,Qian, YB.,Ren, ZZ.,Qian, YB .,...&Qian, YB .(2017).Signatures of shell evolution in alpha decay across the N=126 shell closure.CHINESE PHYSICS C,41(6),64103.
MLA Rui-Wang,et al."Signatures of shell evolution in alpha decay across the N=126 shell closure".CHINESE PHYSICS C 41.6(2017):64103.
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