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题名: Superdeformed Lambda hypernuclei within relativistic mean field models
作者: Lu, BN;  Hiyama, E;  Sagawa, H;  Zhou, SG
刊名: PHYSICAL REVIEW C
出版日期: 2014
卷号: 89, 期号:4, 页码:44307
关键词: HARTREE-BOGOLIUBOV THEORY ;  4-BODY CLUSTER MODEL ;  SHELL HYPERNUCLEI ;  NUCLEAR-STRUCTURE ;  FINITE NUCLEI ;  BE-10(LAMBDA) ;  TRANSITIONS
学科分类: Physics
DOI: 10.1103/PhysRevC.89.044307
通讯作者: Lu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Lu, Bing-Nan
英文摘要: We study the superdeformed (SD) states and corresponding SD hypernuclei of Ar isotopes with the multidimensionally constrained relativistic mean field (MDC-RMF) models, which can accommodate various shape degree of freedom. We found that the density profiles of SD states in Ar isotopes show a strong localization with a ring structure near the surface, while the central part of the density is dilute, showing a hole structure. This localization of SD density induces an appreciable deformation in the hyperon wave function and results in a large overlap between the core and the hyperon in the SD hypernuclei of Ar isotopes. Then the Lambda separation energy of the SD state becomes larger than that of a normally deformed or spherical ground state. This feature is different from that found in other nuclei such as S-32, Ni-56, and Zn-60 in which the Lambda separation energy of larger deformed state is smaller. In this context, the measurement of the Lambda separation energy may provide important information on the localization of the density profile of SD states.
资助者: 973 Program of China [2013CB834400]; NSF of China [11121403, 11120101005, 11211120152, 11275248]; Chinese Academy of Sciences [KJCX2-EW-N01]; JSPS [23224006]; RIKEN iTHES project; High-performance Computing Clusters of ITP/CAS; Supercomputing Center, CNIC of CAS
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000334297400003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15789
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Recommended Citation:
Lu, BN,Hiyama, E,Sagawa, H,et al. Superdeformed Lambda hypernuclei within relativistic mean field models[J]. PHYSICAL REVIEW C,2014,89(4):44307.
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