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题名: Effect of time-odd fields on odd-even mass differences of semi-magic nuclei
作者: Yu, K ;  Zhou, XR ;  Cui, JW ;  Sagawa, H
刊名: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
出版日期: 2016
卷号: 59, 期号:5, 页码:652002
关键词: odd-even staggering ;  S-1n, S-2n, D-n(3) and mean square deviations
学科分类: Physics
DOI: http://dx.doi.org/10.1007/s11433-016-5796-6
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, Dept Phys, Shanghai 200241, Peoples R China. ;  Zhou, XR (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The effect of time-odd fields of Skyrme interaction on neutron odd-even mass differences is studied in the framework of axially deformed Skyrme Hartree-Fock (DSHF)+ BCS model. To this end, we take into account both the time-even and time-odd fields to calculate the one-neutron and two-neutron separation energies and pairing gaps of semi-magic Ca, Ni, and Sn isotopic chains. In the calculations, a surface-type pairing interaction (IS pairing) and an isospin dependent contact pairing interaction (IS+ IV pairing) are adopted on top of Skyrme interactions SLy4, SLy6 and SkM*, respectively. We find that the time-odd fields have in general small effects on pairing gaps, but achieve better agreement with experimental data using SLy4 and Sly6 interactions, respectively. It is also shown that the calculations with IS+IV pairing reproduce the one-neutron separation energies of Sn isotopes better than those with the IS pairing interaction when the contributions of the time-odd fields are included.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: NEUTRON-STAR DENSITIES ;  MEAN-FIELD ;  SKYRME PARAMETRIZATION ;  MAGNETIC-MOMENTS ;  SUBNUCLEAR
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/311006/21674
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,et al. Effect of time-odd fields on odd-even mass differences of semi-magic nuclei[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2016,59(5):652002.
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