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题名: Shape evolution and energy spectra of Pt isotopes
作者: Yu, K ;  Zhou, XR ;  Cui, JW
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
出版日期: 2016
卷号: 25, 期号:2, 页码:1650012
关键词: Skyrme-Hartree-Fock ;  shape evolution ;  energy spectrum ;  B(E2)
学科分类: Physics
DOI: http://dx.doi.org/10.1142/S0218301316500129
通讯作者: Zhou, XR (reprint author), Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China. ;  Zhou, XR (reprint author), Xiamen Univ, Inst Theoret Phys & Astrophys, Xiamen 361005, Peoples R China. ;  Zhou, XR (reprint author), E China Normal Univ, Shanghai 200241, Peoples R China. ;  Zhou, XR (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The shapes and low-energy spectra of Pt176-194 isotopes are discussed by a nonrelativistic Skyrme-Hartree-Fock (SHF) approach plus a density-dependent pairing in the BCS approximation. Two different Skyrme parameters SLy5 and SGII are used to perform constrained triaxial mean-field calculations of energy surface. The calculations beyond mean field are introduced by a projection of mean-field intrinsic wave functions onto good angular momentum. Theoretical calculations exhibit the evolution of shapes from triaxial in light Pt isotopes to. soft for medium Pt isotopes, and finally oblate shapes in heavy isotopes. In particular, the calculated excitation spectra are in good agreement with available data and the trend of experimental B(E2) is reproduced. The mean-field calculations indicate a stable shape evolution with SLy5 and SGII interactions, respectively. In the present SHF approach, the lighter nuclei Pt isotopes present a slightly triaxial shapes.
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields
收录类别: SCI
项目资助者: National Natural Science Foundation of China [10975116, 11275160] ;  Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF141CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21785
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Yu, K,Zhou, XR,Cui, JW. Shape evolution and energy spectra of Pt isotopes[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2016,25(2):1650012.
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