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题名: Studies of the electric dipole transition of deformed rare-earth nuclei
作者: Ji, HY ;  Long, GL ;  Zhao, EG ;  Xu, SW
刊名: NUCLEAR PHYSICS A
出版日期: 1999
卷号: 658, 期号:3, 页码:197-216
关键词: INTERACTING-BOSON MODEL ;  COLLECTIVE OCTUPOLE STATES ;  SU(3) LIMIT ;  HIGH-SPIN ;  E2 TRANSITIONS ;  APPROXIMATION ;  ISOTOPES ;  EXCITATIONS ;  DEFORMATION ;  EXPRESSIONS
学科分类: Physics
通讯作者: Long, GL , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
部门归属: Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing, Peoples R China; Chinese Acad Sci, Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
英文摘要: Spectrum and electric dipole transition rates and relative intensities in Sm152-154, Gd156-160, Dy160-162 are studied in the framework of the interacting boson model with s,p,d,f, bosons. It is found that El transition data among the low-lying levels are in good agreement with the SU(3) dynamical symmetry of the spdf interacting boson model proposed by Engel and Iachello to describe collective rotation with octupole vibration. These results show that these nuclei have SU(3) dynamic symmetry to a good approximation. Also in this work many algebraic expressions for electric dipole transitions in the SU(3) limit of the spdf-IBM have been obtained. These formulae together with the formulae given previously exhaust nearly all the E1 transitions for low-lying negative parity states. They are useful in analyzing experimental data. (C) 1999 Elsevier Science B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000083657500001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13083
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:
Ji, HY,Long, GL,Zhao, EG,et al. Studies of the electric dipole transition of deformed rare-earth nuclei[J]. NUCLEAR PHYSICS A,1999,658(3):197-216.
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