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Studies of the electric dipole transition of deformed rare-earth nuclei
Ji, HY; Long, GL; Zhao, EG; Xu, SW; Long, GL , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
1999
发表期刊NUCLEAR PHYSICS A
ISSN0375-9474
卷号658期号:3页码:197-216
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.
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
关键词Interacting-boson Model Collective Octupole States Su(3) Limit High-spin E2 Transitions Approximation Isotopes Excitations Deformation Expressions
学科领域Physics
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收录类别SCI
WOS记录号WOS:000083657500001
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13083
专题理论物理所1978-2010年知识产出
通讯作者Long, GL , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
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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.
APA Ji, HY,Long, GL,Zhao, EG,Xu, SW,&Long, GL , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(1999).Studies of the electric dipole transition of deformed rare-earth nuclei.NUCLEAR PHYSICS A,658(3),197-216.
MLA Ji, HY,et al."Studies of the electric dipole transition of deformed rare-earth nuclei".NUCLEAR PHYSICS A 658.3(1999):197-216.
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