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题名: Nuclear pairing reduction due to rotation and blocking
作者: Wu, X ;  Zhang, ZH ;  Zeng, JY ;  Lei, YA
刊名: PHYSICAL REVIEW C
出版日期: 2011
卷号: 83, 期号:3, 页码:34323
关键词: PARTICLE NUMBER PROJECTION ;  RARE-EARTH NUCLEI ;  COLLECTIVE MOTION ;  MEAN-FIELD ;  BANDS ;  INERTIA ;  MOMENTS ;  MODEL ;  FLUCTUATIONS ;  SYSTEMS
学科分类: Physics
通讯作者: Wu, X (reprint author), Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China.
部门归属: [Wu, X.; Zhang, Z. H.; Zeng, J. Y.; Lei, Y. A.] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China; [Wu, X.] Univ So Mississippi, Sch Comp, Hattiesburg, MS 39401 USA; [Zhang, Z. H.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Nuclear pairing gaps of normally deformed and superdeformed nuclei are investigated using the particle-number-conserving (PNC) formalism for the cranked shell model, in which the blocking effects are treated exactly. Both rotational frequency omega dependence and seniority (number of unpaired particles) nu dependence of the pairing gap (Delta) over tilde are investigated. For the ground-state bands of even-even nuclei, PNC calculations show that, in general, (Delta) over tilde decreases with increasing omega, but the omega dependence is much weaker than that calculated by the number-projected Hartree-Fock-Bogolyubov approach. For the multiquasiparticle bands (seniority nu > 2), the pairing gaps stay almost omega independent. As a function of the seniority nu, the bandhead pairing gaps (Delta) over tilde(nu, omega = 0) decrease slowly with increasing nu. Even for the highest seniority nu bands identified so far, (Delta) over tilde(nu, omega = 0) remains greater than 70% of (Delta) over tilde(nu = 0, omega = 0).
资助者: Natural Science Foundation of China [10976001, 10935001]; 973 program [2008CB717803]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000288896900001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14388
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Wu, X,Zhang, ZH,Zeng, JY,et al. Nuclear pairing reduction due to rotation and blocking[J]. PHYSICAL REVIEW C,2011,83(3):34323.
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