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Spin assignments of superdeformed bands in europium
其他题名Eu超形变带的自旋指定
Wu, CS; Li, ZH; Wu, CS , Chinese Acad Sci, Inst Theoret Phys, Beijing 100864, Peoples R China.
2001
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN0254-3052
卷号25期号:2页码:121-128
摘要A comprehensive investigation of the superdeformed bands observed in (EU)-E-142,143,144,147 was given. The fluctuation in the transition energies has been removed. The smoothed transition energies were fitted by the ab-expression or its modification. The spins of these bands, except for band 4 of (EU)-E-147, have been assigned conclusively. The exit spin in (EU)-E-143 was Proposed to be 29/2, different from that asserted to be determined experimentally but remains to be confirmed. The corresponding values in (EU)-E-142 and Eu-144(a) are 21 and 28, lower than those proposed in the literature by 6 and 8 units, respectively. Two pairs of superdeformed bands in (EU)-E-147, i.e. bands 1,5 and bands 2,3 were proposed to be signature partners. The exit spins are 53/2 and 63/2 for the former pair, and 43/2 and 41/2 for the latter pair. In addition, both of them have a rather large de-coupling constant(approximate to -l), implying they are of K=1/2 and built on the single particle level v[651] down arrow or pi [530] down arrow. This assignment may be helpful for the studies of the so-called identical bands and pseudospin problem. The signature partner pairs observed in (EU)-E-144,148 are not included in the investigation.
部门归属Beijing Univ, Dept Phys, Beijing 100871, Peoples R China; Natl Lab Heavy Ion Accelerator, Inst Theoret Phys, Lanzhou 730000, Peoples R China
关键词Linking Transitions Nuclei Region
学科领域Physics
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收录类别SCI
WOS记录号WOS:000167147000006
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被引频次:1[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/311006/12819
专题理论物理所1978-2010年知识产出
通讯作者Wu, CS , Chinese Acad Sci, Inst Theoret Phys, Beijing 100864, Peoples R China.
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GB/T 7714
Wu, CS,Li, ZH,Wu, CS , Chinese Acad Sci, Inst Theoret Phys, Beijing 100864, Peoples R China.. Spin assignments of superdeformed bands in europium[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25(2):121-128.
APA Wu, CS,Li, ZH,&Wu, CS , Chinese Acad Sci, Inst Theoret Phys, Beijing 100864, Peoples R China..(2001).Spin assignments of superdeformed bands in europium.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25(2),121-128.
MLA Wu, CS,et al."Spin assignments of superdeformed bands in europium".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25.2(2001):121-128.
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