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题名: Influence of high-j intruder orbitals in odd mass transfermium nuclei (253)No and (251)Md
作者: He, Xiao-tao ;  Ren, Zhong-zhou ;  Liu, Shu-xin ;  Zhao, En-guang
刊名: NUCLEAR PHYSICS A
出版日期: 2009
卷号: 817, 期号:1, 页码:45-60
关键词: SINGLE-PARTICLE STATES ;  IN-BEAM ;  SPECTROSCOPY ;  ELEMENTS ;  ISOTOPES ;  INERTIA ;  HEAVY ;  BAND
学科分类: Physics
通讯作者: He, XT , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
部门归属: [He, XT; Ren, ZZ] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China; [He, XT] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China; [Liu, SX] Peking Univ, Sch Phys, Beijing 100871, Peoples R China; [Ren, ZZ; Liu, SX; Zhao, EG] Natl Lab Heavy Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; [Zhao, EG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Rotational bands of (253)No and (251)Md are studied by the cranked shell model with particle-number conserving treatment for monopole and quadrupole pairing correlations. Observed bands are reproduced very well by theoretical results. A backbending of kinematic moment of inertia f(1) is predicted at h omega approximate to 0.275 MeV in bands of (253)No. This is attributed to the simultaneous alignment of neutron (2h)11/2(1/2[761]) and proton (1j)15/2(1/2[770]) pairs. Only one signature band was observed in (251)Md. We predict its signalure partner band with a sharp backbending at very low frequency of h omega approximate to 0.15 MeV. Backbendings of sigma(1) in (251)Md are the consequence of crossing between the proton 1/2[521] and 1/2[770] configurations. The sudden rise of sigma(1) is mainly due to the large alignment of proton 1/2[770] pair. (C) 2008 Elsevier B.V. All rights reserved.
资助者: National Natural Science Foundation of China[10705014, 10535010, 10775068, 10675006]; CAS Knowledge Innovation[KJCX2-SW-N02]
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5390
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
He, Xiao-tao,Ren, Zhong-zhou,Liu, Shu-xin,et al. Influence of high-j intruder orbitals in odd mass transfermium nuclei (253)No and (251)Md[J]. NUCLEAR PHYSICS A,2009,817(1):45-60.
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