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题名: Deformation effects on the structures of N=7 halo nuclei
作者: Pei, JC ;  Xu, FR ;  Stevenson, PD
刊名: NUCLEAR PHYSICS A
出版日期: 2006
卷号: 765, 期号:40910, 页码:29-38
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
学科分类: Physics
通讯作者: Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000234777500002
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/6054
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Pei, JC,Xu, FR,Stevenson, PD. Deformation effects on the structures of N=7 halo nuclei[J]. NUCLEAR PHYSICS A,2006,765(40910):29-38.
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