SUN Liang1, LU Jing-Bin1, YANG Dong1, WANG Lie-Lin1, YANG Sen1, LIU Yun-Zuo1, ZHAO Yan-Xin1, ZHOU Wen-Ping1, MA Ying-Jun1, ZHU Li-Hua2, WU Xiao-Guang2, LI Guang-Sheng2
1Physics College, Jilin University, Jilin Changchun 1300232China Institute of Atomic Energy (CIAE), Beijing 102413
摘要High-spin states of 160Tm are studied by the 146Nd19F, 5n) reaction at a beam energy of 102MeV. The previously known π h11/2⊕υi13/2 yrast band and π h11/2⊕υh9/2 side band are confirmed. The level scheme is enriched and more low-lying levels are observed. A new side band is observed and assigned as the favoured signature partner of π d3/2⊕υi13/2. The spin of this band is assigned with the energy level systematics. It is pointed out that the $B(M1)/B(E2)$ ratios increase rapidly at the high frequency approaching the second crossing in the π11/2⊕υi13/2 band, which is closely related to the alignment gain of the aligned i13/2 quasineutron.
Abstract：High-spin states of 160Tm are studied by the 146Nd19F, 5n) reaction at a beam energy of 102MeV. The previously known π h11/2⊕υi13/2 yrast band and π h11/2⊕υh9/2 side band are confirmed. The level scheme is enriched and more low-lying levels are observed. A new side band is observed and assigned as the favoured signature partner of π d3/2⊕υi13/2. The spin of this band is assigned with the energy level systematics. It is pointed out that the $B(M1)/B(E2)$ ratios increase rapidly at the high frequency approaching the second crossing in the π11/2⊕υi13/2 band, which is closely related to the alignment gain of the aligned i13/2 quasineutron.
SUN Liang;LU Jing-Bin;YANG Dong;WANG Lie-Lin;YANG Sen;LIU Yun-Zuo;ZHAO Yan-Xin;ZHOU Wen-Ping;MA Ying-Jun;ZHU Li-Hua;WU Xiao-Guang;LI Guang-Sheng. High Spin States in Odd--Odd 160Tm Nucleus[J]. 中国物理快报, 2008, 25(6): 1996-1999.
SUN Liang, LU Jing-Bin, YANG Dong, WANG Lie-Lin, YANG Sen, LIU Yun-Zuo, ZHAO Yan-Xin, ZHOU Wen-Ping, MA Ying-Jun, ZHU Li-Hua, WU Xiao-Guang, LI Guang-Sheng. High Spin States in Odd--Odd 160Tm Nucleus. Chin. Phys. Lett., 2008, 25(6): 1996-1999.
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WANG Lie-Lin, LU Jing-Bin, YANG Dong, MA Ke-Yan, ZHOU Yin-Hang, YIN Li-Chang, WU Xiao-Guang, WEN Shu-Xian, LI Guang-Sheng, YANG Chun-Xiang. High-Spin Structure in Odd-Odd 160Lu Nucleus[J]. 中国物理快报, 2012, 29(6): 62103-062103.
2008, Vol. 25 
