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题名: Shape evolution for Sm isotopes in relativistic mean-field theory
作者: Meng, J ;  Zhang, W ;  周善贵 ;  Toki, H ;  Geng, LS
刊名: EUROPEAN PHYSICAL JOURNAL A
出版日期: 2005
卷号: 25, 期号:1, 页码:23-27
关键词: INTERACTING-BOSON MODEL ;  NEUTRON DRIP-LINE ;  FINITE NUCLEI ;  SYMMETRY ;  PSEUDOSPIN ;  HALO
学科分类: Physics
通讯作者: Meng, J , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Sch 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 Accelerator, Lanzhou 730000, Peoples R China; Osaka Univ, Res Ctr Nucl Phys, Ibaraki, Osaka 5670047, Japan
英文摘要: The evolution of shape from the spherical to the axially deformed shapes in the Sm isotopes is investigated microscopically in relativistic mean-field theory. The microscopic and self-consistent quadrupole deformation constrained relativistic mean-field calculations show a clear shape change for the even-even Sm isotopes with N = 82-96. The potential surfaces for Sm-148, Sm-150 and Sm-112 are found to be relatively flat, which may be the possible critical-point nuclei. By examining the single-particle spectra and nearest-neighbor spacing distribution of the single-particle levels, one finds that the single-particle levels in Sm-148 Sm-150, and Sm-152 distribute more uniformly.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000231478600003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13787
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:
Meng, J,Zhang, W,Zhou, SG,et al. Shape evolution for Sm isotopes in relativistic mean-field theory[J]. EUROPEAN PHYSICAL JOURNAL A,2005,25(1):23-27.
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