Original Articles |
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Signature Inversion of Yrast Band in Odd-Odd l62Lu Nucleus |
ZHANG Yu-hu;ZHOU Xiao-hong;ZHAO Qing-zhong;SUN Xiang-fu,
LEI Xiang-guo;GUO Ying-xiang;LIU Zhong;CHEN Xing-feng;ZHU Yong-tai;WEN Shu-xian*;YUAN Guan-jun*;LIU Xiang-an*
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Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
*China Institute of Atomic Energy, Beijing 102413 |
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Cite this article: |
ZHANG Yu-hu, ZHOU Xiao-hong, ZHAO Qing-zhong et al 1996 Chin. Phys. Lett. 13 257-260 |
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Abstract High spin states of the odd-odd l62Lu nucleus have been studied via 147Sm(19F,4nγ) reaction at 95MeV beam energy. Level scheme for yrast band based on π [ h11/2]v [i13/2] quasiparticle configuration was established up to Iπ = (23-) for the first time. This band shows the signature inversion in energy before backbending generally appeared in this mass region. It is stressed that the signature splitting in 162Lu is larger than that in 160Tm nucleus.
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Keywords:
21.10.-k
21.10.Hw
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Published: 01 April 1996
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PACS: |
21.10.-k
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(Properties of nuclei; nuclear energy levels)
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21.10.Hw
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(Spin, parity, and isobaric spin)
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