Experimental Study of High-Spin States in Odd-Odd 170Re

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WANG Hua-Lei, ZHANG Yu-Hu, ZHOU Xiao-Hong, GUO Ying-Xiang, LEI Xiang-Guo, LIU Min-Liang, LUO Peng, XIE Cheng-Ying, SONG Li-Tao, YU Hai-Ping, ZHENG Yong, GUO Wen-Tao, Experimental Study of High-Spin States in Odd-Odd 170Re[J]. Chinese Physics C, 2004, 28(7): 699-705.
WANG Hua-Lei, ZHANG Yu-Hu, ZHOU Xiao-Hong, GUO Ying-Xiang, LEI Xiang-Guo, LIU Min-Liang, LUO Peng, XIE Cheng-Ying, SONG Li-Tao, YU Hai-Ping, ZHENG Yong, GUO Wen-Tao, Experimental Study of High-Spin States in Odd-Odd 170Re[J]. Chinese Physics C, 2004, 28(7): 699-705. shu
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Received: 2003-11-28
Revised: 1900-01-01
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Experimental Study of High-Spin States in Odd-Odd 170Re

    Corresponding author: ZHANG Yu-Hu,
  • Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100039,China3 China Institute of Atomic Energy, Beijing 102413, China

Abstract: High-spin states in doubly odd 170Re have been populated and investigated using 142Nd (32S,1p3nγ)170reaction at 166MeV bombarding energy. X-γ and γ-γ-t coincidence measurements have been carried out in the experiment. Based on the coincidence relationships, a rotational band in 170has been identified for the first time, extending the high-spin studies of A≈160 odd-odd nuclei to the currently lightest rhenium isotope. The band has been assigned to be built on the πh11/2⊙υi13/2 configuration according to their rotational properties in quasiparticle alignment, signature splitting, level spacing systematics, as well as the existing knowledge in neighboring nuclei. Low-spin signature inversion has been suggested for the πh11/2⊙υi13/2 band in 170.

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