First observation of yrast band in odd-odd162Lu |
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| Authors: | Y H Zhang X H Zhou Q Z Zhao X F Sun X G Lei Y X Guo Z Liu X F Chen Y T Zhu S X Wen G J Yuan X A Liu |
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| Institution: | 1. Institute of Modern Physics, The Chinese Academy of Sciences, 730000, Lanzhou, People’s Republic of China
2. China Institute of Atomic Energy, 102413, Beijing, People’s Republic of China
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| Abstract: | High spin states of the odd-odd162Lu nucleus have been studied via147Sm(19F,4nγ)162Lu reaction at 95 MeV beam energy. Level scheme for yrast band based onπh11/2 vi13/2] quasiparticle configuration was established up to I π = (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 in162Lu is larger than that in the160Tm nucleus. |
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