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Configuration Assignment of superdeformed Bands in Odd-A Hg nuclei

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Chinese journal of nuclear physics 1994年第2期16卷 133-138页

作者： Chen, Xingqu Xing, Zheng Lanzhou Univ Lanzhou China

-By using particle-rotor model,the configuration of the superderformed(SD)bands in odd-A Hg nuclei is *** is shown that the electromagnetic transitionproperties of the SD bands can be used to further identify the conf... 详细信息

关键词： Nuclear structure superdeformed bands Particle-rotor model Configuration assignment

Systematic odd-even differences in the moments of inertia of superdeformed bands and blocking effect

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Science China Mathematics 1995年第6期38卷 730-738页

作者：曾谨言雷奕安赵恩广 Department of Physics Peking University Beijing 100871 China Institute of Theoretical Physics Chinese Academy of Sciences Beijing 100080 China

A comprehensive analysis of the superdeformed bands observed near A≈190 indicates that there exist systematic odd-even differences in the moments of inertia similar to that observed in normally deformed nuclei, which can be considered as compelling evidence for pairing and blocking effect in super-deformed nudei. With increasing rotational frequency the odd-even differences become weaker and weaker due to the Coriolis anti-pairing effects. Particularly, the odd-even differences in the dynamic moments of inertia become obscure when hω≥2 MeV, and in certain cases there emerges nearly identical value of J(2) for some neighboring nudei. However, the odd-even differences in the kinematic moments of inertia still remain to certain extent at the highest frequencies.

关键词： superdeformed nuclei odd-even difference in moments of inertia blocking effect.

Level Spin Assignment Of superdeformed Bands for A～190 Region

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Chinese journal of nuclear physics 1994年第1期16卷 85-94页

作者： Zhou, Chunmei Liu, Tong China Inst of Atomic Energy Beijing China

Using the expression of level energies of rotational bands and least-squares fitto cascade gamma transition energies of superdeformed bands,level spins of 27superdeformed bands for 13 nuclei in.4～190 region are assig... 详细信息

关键词： superdeformed band Spin assignment Nuclear structure

Description of the superdeformed Bands of the Odd-Odd Nuclei in A ～ 150 Region

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Communications in Theoretical Physics 2002年第8期38卷 200-204页

作者： ZHANG Da-Li LIU Yu-Xin Department of Physics Huzhou Teacher''s College Huzhou 313000 Zhejiang Province China Department of Physics Peking University Beijing 100871 China Institute of Theoretical Physics Academia Sinica P.O. Box 2735 Beijing 100080 China Center of Theoretical Nuclear Physics National Laboratory of Heavy Ion Accelerator Lanzhou 730000 China

With the supersymmetry scheme including many-body interactions, the global property and the △I ＝ 4bifurcation in the superdeformed (SD) bands of odd-odd nuclei in A ～ 150 mass region are investigated *** results for the γ-ray energies, the dynamical moments of inertia, and energy differences △ Eγ - △ Erefγ are *** shows that this approach is quite powerful in describing not only the SD bands in even-even and odd-A nuclei butalso those in odd-odd nuclei in the mass region.

关键词： superdeformed band, dynamical moment of inertia, △I = 4 bifurcation, odd-odd nuclei

Calculations of superdeformed Bands in j_(15/2^-)Model

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Chinese journal of nuclear physics 1994年第3期 233-238页

作者： Chen Xing-qu Xing Zheng (Department of Modern Physics,Lanzhou University,Lanzhou 730000)

Using the particle-rotor model,some features of superdeformed bands builtupon j15 orbitals have been *** excellent agreement between the caleu-lated and observed transition energies,kinematic and dynamic moments of in... 详细信息

关键词： Nuelear structure superdeformed bands Particle-rotor model Electromagnetic transition

Analysis of superdeformed Band of ^(193)TI

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Chinese journal of nuclear physics 1994年第1期 50-54页

作者： Chen Xingqu Xing Zheng (Department of Modern Physics Lanzhou University.Lanzhou 730000)

superdeformed bands of 193TI are analyzed by using particle-rotor model inconnection with experimental data,considering the possible occurrence of *** is investigated that γ-transition energies and dynamic moments of... 详细信息

关键词： superdeformed bands Particle-rotor model Triaxial deformation

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Analysis of *** Bands

Chinese journal of nuclear physics 1995年第1期17卷 40-42页

作者： Chen, Xingqu Xing, Zheng Lanzhou Univ Lanzhou China

Identical superdeformed bands in 191Au and 191Hg have been investigated byusing particle-rotor model within the framework of the BCS （Bardeen-Cooper-Schrieffer） pairing *** identity in the γ-transition energies in ... 详细信息

关键词： superdeformed bands Identical bands Particle-rotor model