Chin. Phys. Lett.  2000, Vol. 17 Issue (12): 871-873    DOI:
Original Articles |
Microscopic Mechanism of the Odd-Even Difference in Moments of Inertia of Superdeformed Bands
LIU Shu-Xin;YU Lei;ZENG Jin-Yan
Department of Physics, Peking University, Beijing 100871
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LIU Shu-Xin, YU Lei, ZENG Jin-Yan 2000 Chin. Phys. Lett. 17 871-873
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Abstract The large odd-even difference in moments of inertia between the SD bands l95Tl(l,2) and l96Pb(l) is investigated by the particle-number conserving method, in which the blocking effect on pairing is taken into account strictly. The ω variation of J(2) for the three SD bands are reproduced quite well and the underlying microscopic mechanism is demonstrated clearly. Calculations show that the blocking of the proton [642]5/2 intruder orbital and the excitation of [651]1/2 intruder orbital play crucial roles for the odd-even difference in J(2)’s.
Keywords: 21.10.Re      23.20.Lv      27.70.+q     
Published: 01 December 2000
PACS:  21.10.Re (Collective levels)  
  23.20.Lv (γ-transitions and level energies)  
  27.70.+q (150 ≤ A ≤ 189)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2000/V17/I12/0871
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