Chin. Phys. Lett.  1998, Vol. 15 Issue (2): 92-94    DOI:
Original Articles |
Half-Lives of Low-Lying Isomeric States in 169Ta
ZHANG Yu-hu;ZHAO Qing-zhong;ZHU Shao-fei;XU Hu-shan;ZHOU Xiao-hong;GUO Ying-xiang;LEI Xiang-guo;LU Jun;GOU Quan-bu;LIU Zhong;JIN Han-juan;LUO Yi-xiao;SUN Xiang-fu;ZHU Yong-tai
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
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ZHANG Yu-hu, ZHAO Qing-zhong, ZHU Shao-fei et al  1998 Chin. Phys. Lett. 15 92-94
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Abstract Two low-lying isomeric states in 169Ta have been identified via 159Tb(l6O, 6n γ )169Ta reaction. Their half-lives are measured to be 28 ± 5ns for the 9/2- level and 17 ± 4 ns for the 5/2- level by using the delayed γ-γ coincidence method. These two isomeric states are considered to be the bandheads with 9/2-[514] and 1/2-[541] configurations, respectively. Possible neutron quasiparticle configuration for the ground state of 169W is discussed.
Keywords: 21.10.Tg      21.10.Pc      23.20.Lv     
Published: 01 February 1998
PACS:  21.10.Tg (Lifetimes, widths)  
  21.10.Pc (Single-particle levels and strength functions)  
  23.20.Lv (γ-transitions and level energies)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1998/V15/I2/092
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ZHANG Yu-hu
ZHAO Qing-zhong
ZHU Shao-fei
XU Hu-shan
ZHOU Xiao-hong
GUO Ying-xiang
LEI Xiang-guo
LU Jun
GOU Quan-bu
LIU Zhong
JIN Han-juan
LUO Yi-xiao
SUN Xiang-fu
ZHU Yong-tai
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