NUCLEAR PHYSICS |
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The Plateau of Moment of Inertia and the Energy Gap in 161−168Yb |
HUANG Li-Xun, QI Yan-Jun, LI Tao, LIU Shu-Xin**
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School of Physics, Peking University, Beijing 100871
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Cite this article: |
HUANG Li-Xun, QI Yan-Jun, LI Tao et al 2011 Chin. Phys. Lett. 28 092102 |
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Abstract The influence of the gap at Z=70 on the alignment in 161−168Yb is studied using the particle number conserving method. If there is a gap at the Fermi surface, the occupation probability of the [523]7/2 proton orbital does not change as much as when there is no gap. The formation of the plateau of moment of inertia is sensitive to the relative position of the orbital π[404]7/2, π[411]1/2 and π[523]7/2. A third backbending caused by π[541]1/2 is predicted.
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Keywords:
21.10.Re
21.60.Cs
27.70.+q
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Received: 11 May 2011
Published: 30 August 2011
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