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Lu, BN; Zhao, EG; Zhou, SG; Lu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Quadrupole deformation (beta, gamma) of light Lambda hypernuclei in a constrained relativistic mean field model: Shape evolution and shape polarization effect of the Lambda hyperon
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordHartree-bogoliubov Theory Ground-state Properties Nuclear-structure Exotic Nuclei Finite Nuclei Isotopes Equation Binding Energy Delta
AbstractThe shapes of light normal nuclei and Lambda hypernuclei are investigated in the (beta,gamma) deformation plane by using a newly developed constrained relativistic mean field (RMF) model. As examples, the results of some C, Mg, and Si nuclei are presented and discussed in details. We found that for normal nuclei the present RMF calculations and previous Skyrme-Hartree-Fock models predict similar trends of the shape evolution with the neutron number increasing. But some quantitative aspects from these two approaches, such as the depth of the minimum and the softness in the. direction, differ a lot for several nuclei. For Lambda hypernuclei, in most cases, the addition of a Lambda hyperon alters slightly the location of the ground state minimum toward the direction of smaller beta and softer gamma in the potential energy surface E similar to (beta,gamma). There are three exceptions, namely, (13)(Lambda)C, (23)(Lambda)C, and (31)(Lambda)Si in which the polarization effect of the additional Lambda is so strong that the shapes of these three hypernuclei are drastically different from their corresponding core nuclei.
2011
ISSN0556-2813
Volume84Issue:1Pages:14328
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC [10875157, 10975100, 10979066]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-SW-N17, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-SW-N17, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-SW-N17, KJCX2-YW-N32] ; NSFC [10875157, 10975100, 10979066]; MOST [2007CB815000]; CAS [KJCX2-EW-N01, KJCX2-SW-N17, KJCX2-YW-N32]
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14314
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLu, BN (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Lu, BN,Zhao, EG,Zhou, SG,et al. Quadrupole deformation (beta, gamma) of light Lambda hypernuclei in a constrained relativistic mean field model: Shape evolution and shape polarization effect of the Lambda hyperon[J]. PHYSICAL REVIEW C,2011,84(1):14328.
APA Lu, BN,Zhao, EG,Zhou, SG,&Lu, BN .(2011).Quadrupole deformation (beta, gamma) of light Lambda hypernuclei in a constrained relativistic mean field model: Shape evolution and shape polarization effect of the Lambda hyperon.PHYSICAL REVIEW C,84(1),14328.
MLA Lu, BN,et al."Quadrupole deformation (beta, gamma) of light Lambda hypernuclei in a constrained relativistic mean field model: Shape evolution and shape polarization effect of the Lambda hyperon".PHYSICAL REVIEW C 84.1(2011):14328.
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