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题名: High-spin states in (156)Yb and structure evolutions at large angular momenta in even-A Yb isotopes
作者: Li, Z. Y. ;  Hua, H. ;  Wang, S. Y. ;  Meng, J. ;  Li, Z. H. ;  Li, X. Q. ;  Xu, F. R. ;  Liu, H. L. ;  Zhang, S. Q. ;  Ye, Y. L. ;  Jiang, D. X. ;  Zheng, T. ;  Ma, L. Y. ;  Lu, F. ;  Fan, F. Y. ;  Han, L. Y. ;  Wang, H. ;  Xiao, J. ;  Chen, D. ;  Fang, X. ;  Lou, J. L. ;  周善贵 ;  Zhu, L. H. ;  Wu, X. G. ;  Li, G. S. ;  He, C. Y. ;  Liu, Y. ;  Li, X. Q. ;  Hao, X. ;  Pan, B. ;  Li, L. H.
刊名: PHYSICAL REVIEW C
出版日期: 2008
卷号: 77, 期号:6, 页码:-
关键词: RARE-EARTH NUCLEI ;  MEAN-FIELD ;  SPECTROSCOPY ;  BAND ;  ER-154 ;  SHAPE ;  SYSTEMATICS ;  ISOMERS ;  N=82 ;  ALIGNMENTS
学科分类: Physics
通讯作者: Li, ZY , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
部门归属: [Li, ZY; Hua, H; Wang, SY; Meng, J; Li, ZH; Li, XQ; Xu, FR; Liu, HL; Zhang, SQ; Ye, YL; Jiang, DX; Zheng, T; Ma, LY; Lu, F; Fan, FY; Han, LY; Wang, H; Xiao, J; Chen, D; Fang, X; Lou, JL] Peking Univ, Sch Phys, Beijing 100871, Peoples R China; [Li, ZY; Hua, H; Wang, SY; Meng, J; Li, ZH; Li, XQ; Xu, FR; Liu, HL; Zhang, SQ; Ye, YL; Jiang, DX; Zheng, T; Ma, LY; Lu, F; Fan, FY; Han, LY; Wang, H; Xiao, J; Chen, D; Fang, X; Lou, JL] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China; [Zhou, SG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Zhou, SG] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; [Zhu, LH; Wu, XG; Li, GS; He, CY; Liu, Y; Li, XQ; Hao, X; Pan, B; Li, LH] China Inst Atom Energy, Beijing 102413, Peoples R China
英文摘要: High-spin states of (156)Yb have been studied via the (144)Sm((16)O,4n)(156)Yb fusion-evaporation reaction at beam energy 102 MeV. The positive-parity yrast band and negative-parity cascade have been extended up to higher-spin states, respectively. In the present work, the negative-parity sequence above the 25(-) state was found to be irregular and fragment into many parallel branches. This pattern may related to the excitation from the nucleon in the Z=64,N=82 core. The characteristics of alignment plot and E-GOS curve for the positive-parity yrast sequence in (156)Yb indicate that this nucleus may undergo an evolution from quasivibrational to quasirotational structure with increasing angular momentum. Based on a systematic summary of the available experimental alignments for the even-A (156,158,160,162,164)Yb isotopes, the structural evolutions induced by the increase in angular momentum, as well as by the change in neutron numbers, in these even-A Yb isotopes have been discussed in comparison with the cranked Woods-Saxon-Strutinsky calculations by means of total-Routhian-surface (TRS) methods.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000257290000035
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5519
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, Z. Y.,Hua, H.,Wang, S. Y.,et al. High-spin states in (156)Yb and structure evolutions at large angular momenta in even-A Yb isotopes[J]. PHYSICAL REVIEW C,2008,77(6):-.
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