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题名: Systematical study of high-spin rotational bands in neutron-deficient Kr isotopes by the extended projected shell model
作者: Wu, XY ;  Ghorui, SK ;  Wang, LJ ;  Kaneko, K ;  Sun, Y
刊名: NUCLEAR PHYSICS A
出版日期: 2017
卷号: 957, 页码:208-229
关键词: Projected shell model ;  High spin structure ;  Multi-quasiparticle configurations ;  Pfaffian formulas
学科分类: Physics
DOI: http://dx.doi.org/10.1016/j.nuclphysa.2016.09.003
通讯作者: Sun, Y (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China. ;  Sun, Y (reprint author), Shanghai Jiao Tong Univ, CICIFSA, Shanghai 200240, Peoples R China. ;  Sun, Y (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: We analyze the high-spin structure of the even even Kr72-80 isotopes using the Projected Shell Model (PSM). With the help of the Pfaffian formulas, we have vigorously extended the quasi-particle (qp) basis of the PSM code and applied in this mass region for the first time. We consider a sufficiently large multi-qp configuration space in order to describe high-spin rotational behavior. The results show that the calculation can reproduce most of the known rotational bands with positive- or negative-parity. Moreover, some side bands appearing in the near-yrast region are predicted. The main structure for each band is discussed in terms of multi-qp configurations. The variations in moment of inertia with spin are explained in terms of successive band crossings among the 2-qp, 4-qp, 6-qp, and 8-qp states. The B(E2) transition probabilities in these bands are also calculated. To further understand the high-spin behavior of these neutron-deficient nuclei and to confirm predictions of the present work, good high-spin data, especially for B(E2) transitions, are called for. (C) 2016 Elsevier B.V. All rights reserved.
类目[WOS]: Physics, Nuclear
关键词[WOS]: NUCLEAR-DATA SHEETS ;  RELATIVISTIC DESCRIPTION ;  SHAPE COEXISTENCE ;  MATRIX-ELEMENTS ;  CRANKING MODEL ;  Z LINE ;  STATES ;  KR-74 ;  SPECTROSCOPY ;  TRANSITION
项目资助者: National Natural Science Foundation of China [11575112, 11135005, 11505302] ;  973 Program of China [2013CB834401, 2016YFA0400501] ;  Open Project Program of the 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/311006/22169
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Recommended Citation:
Wu, XY,Ghorui, SK,Wang, LJ,et al. Systematical study of high-spin rotational bands in neutron-deficient Kr isotopes by the extended projected shell model[J]. NUCLEAR PHYSICS A,2017,957:208-229.
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