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Description of superdeformed nuclear states in the interacting boson model
Liu, YX; Song, JG; Sun, HZ; Zhao, EG; Liu, YX , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
1997
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号56期号:3页码:1370-1379
摘要We show in this paper that the superdeformed nuclear states can be described with a four parameter formula in the spirit of the perturbated SU(3) limit of the sdg IBM. The E2 transition gamma-ray energies, the dynamical moments of inertia of the lowest superdeformed (SD) bands in even-even Hg, Pb, Gd, and Dy isotopes, and the energy differences Delta E-gamma-Delta E-gamma(ref) of the SD band 1 of Hg-194 are calculated. The calculated results agree with experimental data well. This indicates that the SD states are governed by a rotational interaction plus a perturbation with SOsdg(5) symmetry. The perturbation causing the Delta I=4 bifurcation to emerge in the Delta I=2 superdeformed rotational band may then possess SOsdg(5) symmetry.
部门归属BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; UNIV TUBINGEN,INST THEORET PHYS,D-72076 TUBINGEN,GERMANY; TSING HUA UNIV,DEPT PHYS,BEIJING 100084,PEOPLES R CHINA
关键词Even-even Nuclei Mean-field Delta-i=4 Bifurcation Rotational Bands Shape Isomerism Identical Bands C-4 Symmetry Spin Hg-194 Region
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12436
专题理论物理所1978-2010年知识产出
通讯作者Liu, YX , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
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Liu, YX,Song, JG,Sun, HZ,et al. Description of superdeformed nuclear states in the interacting boson model[J]. PHYSICAL REVIEW C,1997,56(3):1370-1379.
APA Liu, YX,Song, JG,Sun, HZ,Zhao, EG,&Liu, YX , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1997).Description of superdeformed nuclear states in the interacting boson model.PHYSICAL REVIEW C,56(3),1370-1379.
MLA Liu, YX,et al."Description of superdeformed nuclear states in the interacting boson model".PHYSICAL REVIEW C 56.3(1997):1370-1379.
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