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Deformation effects on the structures of N=7 halo nuclei
Pei, JC; Xu, FR; Stevenson, PD; Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2006
发表期刊NUCLEAR PHYSICS A
ISSN0375-9474
卷号765期号:40910页码:29-38
摘要The structures of N = 7 isotones have been investigated using the deformed Skyrme-Hartree-Fock model. The approximate particle number projection by means of the Lipkin-Nogami method was used with the blocking effect of the odd neutron taken into account. For nuclei near the drip lines, a volume-surface mixing pairing interaction was employed, which can well reproduce odd-even differences for the long chain of carbon isotopes up to drip lines. The calculated potential-energy curve shows that the first 1/2(+) state of the Be-11 nucleus has a very large prolate deformation. Such a large deformation can result in a good agreement between the calculated and experimental density distribution of the nucleus. The first 1/2(+) state in C-13 is also calculated to have a large deformation, and the 1/2(+) state in He-9 could be a spherical halo attached to a deformed core. The possible halo structure of the 1/2(+) neutron orbit in the N = 7 isotones is discussed. (c) 2005 Elsevier B.V. All rights reserved.
部门归属Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Peking Univ, MOE Lab Heavy Ion Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Collis, Lanzhou 730000, Peoples R China; Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England
关键词Self-consistent Calculations Ground-state Properties Mean-field Calculations Positive-parity States Neutron-rich Nuclei Cross-sections Light-nuclei Be-11 Isotopes Skyrme
学科领域Physics
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收录类别SCI
WOS记录号WOS:000234777500002
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/6054
专题理论物理所SCI论文
通讯作者Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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Pei, JC,Xu, FR,Stevenson, PD,et al. Deformation effects on the structures of N=7 halo nuclei[J]. NUCLEAR PHYSICS A,2006,765(40910):29-38.
APA Pei, JC,Xu, FR,Stevenson, PD,&Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.(2006).Deformation effects on the structures of N=7 halo nuclei.NUCLEAR PHYSICS A,765(40910),29-38.
MLA Pei, JC,et al."Deformation effects on the structures of N=7 halo nuclei".NUCLEAR PHYSICS A 765.40910(2006):29-38.
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