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Further study of alpha-decay in heavy isotopic chains considering the isospin effect
Qian, YB; Ren, ZZ; Qian, YB (reprint author), Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.; Ren, ZZ (reprint author), Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
2016
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
卷号43期号:6页码:65102
文章类型Article
摘要We 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.
关键词Alpha-decay Isospin Effect Cluster Model
学科领域Physics
资助者National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; 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) ; 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] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; 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) ; 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]
DOIhttp://dx.doi.org/10.1088/0954-3899/43/6/065102
关键词[WOS]EVEN-EVEN NUCLEI ; CHARGE RADII ; POTENTIALS ; SCATTERING ; PARTICLE ; SHELL ; MODEL
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; 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) ; 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] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; National Natural Science Foundation of China [11375086, 11535004, 11120101005] ; 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) ; 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]
WOS类目Physics, Nuclear ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21638
专题2016年知识产出
通讯作者Qian, YB; Qian, YB (reprint author), Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Nanjing Univ, Key Lab Modern Acoust, Nanjing 210093, Jiangsu, Peoples R China.; Ren, ZZ (reprint author), Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China.; Ren, ZZ (reprint author), Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
推荐引用方式
GB/T 7714
Qian, YB,Ren, ZZ,Qian, YB ,et al. 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.,Qian, YB .,Ren, ZZ .,Ren, ZZ .,...&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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