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Qian, YB; Ren, ZZ
Further study of alpha-decay in heavy isotopic chains considering the isospin effect
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Language英语
Keywordalpha-decay EVEN-EVEN NUCLEI isospin effect CHARGE RADII cluster model POTENTIALS SCATTERING PARTICLE SHELL MODEL
AbstractWe have enhanced the deformed density-dependent cluster model to improve the quantitative description of alpha-decay in heavy even-even nuclei with 84 <= Z <= 92. To preliminarily introduce the isospin effect into alpha-decay, the neutron excess term is added in the establishment of the crucial alpha-core potential. The proton and neutron density distributions are respectively considered in different parameterized formulas by combining them with available experimental data of both the charge radius and the neutron skin thickness. The calculated alpha-decay half-lives are found to be in somewhat better agreement with the experimental data as compared with our previous results. Strikingly, it is noted that the relatively large deviation between theory and experiment, along the tail of the isotopic chain, is obviously reduced and smoother. This may indicate the necessity of considering the isospin effect in alpha-decay, especially for extremely neutron-rich nuclei, which appears to be essential for the extended study of heaviest nuclei as well.
2016
Volume43Issue:6Pages:65102
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1088/0954-3899/43/6/065102
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11375086, 11535004, 11120101005] ; 973 National Major State Basic Research and Development Program of China [2013CB834400] ; Priority Academic Programme Development of JiangSu Higher Education Institutions (PAPD) ; Natural Science Youth Fund of Jiangsu Province [BK20150762] ; Fundamental Research Funds for the Central Universities [30916011339]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23148
Collection理论物理所科研产出_SCI论文
Affiliation1.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
3.Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China
4.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
5.Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
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GB/T 7714
Qian, YB,Ren, ZZ. Further study of alpha-decay in heavy isotopic chains considering the isospin effect[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2016,43(6):65102.
APA Qian, YB,&Ren, ZZ.(2016).Further study of alpha-decay in heavy isotopic chains considering the isospin effect.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,43(6),65102.
MLA Qian, YB,et al."Further study of alpha-decay in heavy isotopic chains considering the isospin effect".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 43.6(2016):65102.
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