Blocking Effect and Moments of Inertia of K = 1/2 Rotational Band in 171Yb

The K = 1/2 rotational band in 171yb is investigated using the particle number conserving (PNC) method for treating the cranked shell model with monopole and quadrupole pairing interactions. The experimental moments of inertia of 171 Yb [521]1/2 (signature α = +1/2) are reproduced well by the PNC calculation, in which no free parameter is involved. The difference in the contribution to the moment of inertia between protons and neutrons is mainly due to the blocking effect of neutron normal orbitals. The ω variation of the occupation probability of each cranked orbital and the contribution to the moment of inertia from each major shell and from each cranked orbital are investigated.

作 者： YU Shao-Ying LIU Yan-xin LIU Shu-Xin HE Xiao-Tao   作者單位： YU Shao-Ying(College of Science, Huzhou University, Huzhou 313000, China;College of Physics and Electromechanics, Inner Mongolia University for Nationalities, Tongliao 028043, China;Institute of Theoretical Physics, the Chinese Academy of Sciences, Beijing 100080, Chi)

LIU Yan-xin(College of Science, Huzhou University, Huzhou 313000, China;College of Physics and Electromechanics, Inner Mongolia University for Nationalities, Tongliao 028043, China)

LIU Shu-Xin(Department of Physics, Peking University, Beijing 100871, China)

HE Xiao-Tao(Institute of Theoretical Physics, the Chinese Academy of Sciences, Beijing 100080, China) 

刊 名： 理論物理通訊(英文版)  ISTIC SCI 英文刊名： COMMUNICATIONS IN THEORETICAL PHYSICS  年，卷(期)： 2004 42(7)  分類號：   關鍵詞： particle-number conserving method   normally deformed band   kinematic moments of inertia   cranked Nilsson orbital  

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