| Blocking Effect and Moments of Inertia of K = 1／2 Rotational Band in ^171Yb |
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| 摘 要： |
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| 关 键 词： | 粒子数守恒理论 普通变形带 原子核物理学 惯性动力矩 Nilsson轨道 镱原子核 |
| 收稿时间： | 2003-10-09 |
Blocking Effect and Moments of Inertia of K=1/2 Rotational Band in 171Yb |
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| YU Shao-Ying,LIU Yan-Xin,LIU Shu-Xin,HEXiao-Tao. Blocking Effect and Moments of Inertia of K=1/2 Rotational Band in 171Yb[J]. Communications in Theoretical Physics, 2004, 42(1): 95-98 |
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| Authors: | YU Shao-Ying LIU Yan-Xin LIU Shu-Xin HEXiao-Tao |
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| Affiliation: | 1. College of Science, Huzhou University, Huzhou 313000, China;2. College of Physics and Electromechanics, Inner Mongolia University forNationalities, Tongliao 028043, China;3. Institute of Theoretical Physics, the Chinese Academy of Sciences, Beijing 100080, China;4. Department of Physics, Peking University, Beijing 100871, China |
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| Abstract: | The K=1/2 rotational band in 171Yb is investigatedusing the particle number conserving (PNC) method for treating the crankedshell model with monopole and quadrupole pairing interactions. Theexperimental moments of inertia of 171Yb [521]1/2 (signature α =±1/2) are reproduced well by the PNC calculation, in which no freeparameter is involved. The difference in the contribution to the moment ofinertia between protons and neutrons is mainly due to the blocking effect ofneutron normal orbitals. The ω variation of the occupationprobability of each cranked orbital and the contribution to the moment ofinertia from each major shell and from each cranked orbital areinvestigated. |
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| Keywords: | particle-number conserving method normally deformedband kinematic moments of inertia cranked Nilsson orbital |
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