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题名: Nonaxial-octupole Y-32 correlations in N=150 isotones from multidimensional constrained covariant density functional theories
作者: Zhao, J ;  Lu, BN ;  Zhao, EG ;  Zhou, SG
刊名: PHYSICAL REVIEW C
出版日期: 2012
卷号: 86, 期号:5, 页码:57304
关键词: SKYRME-HARTREE-FOCK ;  ATOMIC-NUCLEI ;  SHAPES ;  SYMMETRY ;  MODEL
学科分类: Physics
通讯作者: Zhao, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Zhao, Jie; Lu, Bing-Nan; Zhao, En-Guang; Zhou, Shan-Gui] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Lu, Bing-Nan] Univ Zagreb, Fac Sci, Dept Phys, Zagreb 10000, Croatia; [Zhao, En-Guang; Zhou, Shan-Gui] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
英文摘要: The nonaxial reflection-asymmetric beta(32) shape in some transfermium nuclei with N = 150, namely, Cm-246, Cf-248, Fm-250, and No-252, are investigated with multidimensional constrained covariant density functional theories. By using the density-dependent point-coupling covariant density functional theory with the parameter set DD-PC1 in the particle-hole channel, it is found that, for the ground states of Cf-248 and Fm-250, the nonaxial octupole deformation parameter beta(32) > 0.03 and the energy gain due to the beta(32) distortion is larger than 300 keV. In Cm-246 and No-252, shallow beta(32) minima are found. The occurrence of the nonaxial octupole beta(32) correlations is mainly from a pair of neutron orbitals, [734]9/2 (nu j(15/2)) and [622]5/2 (nu g(9/2)), which are close to the neutron Fermi surface, and a pair of proton orbitals, [521]3/2 (pi f(7/2)) and [633]7/2 (pi i(13/2)), which are close to the proton Fermi surface. The dependence of the nonaxial octupole effects on the form of the energy density functional and on the parameter set is also studied.
资助者: 973 Program of China [2013CB834400]; NSF of China [10975100, 10979066, 11121403, 11175252, 11120101005, 11275248]; Chinese Academy of Sciences [KJCX2-EW-N01, KJCX2-YW-N32]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000311276200001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14983
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Zhao, J,Lu, BN,Zhao, EG,et al. Nonaxial-octupole Y-32 correlations in N=150 isotones from multidimensional constrained covariant density functional theories[J]. PHYSICAL REVIEW C,2012,86(5):57304.
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