Chin. Phys. Lett.  2005, Vol. 22 Issue (9): 2211-2214    DOI:
Original Articles |
Identification of New β-Delayed γ Rays and a Low-Spin Isomer in 176Ir
WANG Hua-Lei1,2;ZHANG Yu-Hu1,2;ZHOU Xiao-Hong1;GUO Ying-Xiang1;LEI Xiang-Guo1;XU Shu-Wei1;XIE Yuan-Xiang1;LIU Min-Liang1;ZHENG Yong1;XING Ye-Bing1;XIE Cheng-Ying1;SONG Li-Tao1;LUO Peng1;YU Hai-Ping1;GUO Wen-Tao1
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 2Graduate School of Chinese Academy of Sciences, Beijing 100039
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WANG Hua-Lei, ZHANG Yu-Hu, ZHOU Xiao-Hong et al  2005 Chin. Phys. Lett. 22 2211-2214
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Abstract The β+/EC decay of doubly odd nucleus 176Ir has been studied via the 146Nd(35Cl, 5nγ) heavy ion fusion evaporation reaction at 210MeV bombarding energy. With the aid of a helium-jet recoil fast tape transport system, the reaction products were transported to a low-background location for measurement. Based on the data analysis, the previously known γ rays from the decay of 176Ir are proven. Moreover, three new excited levels and ten new γ rays are assigned to 176Os. The time spectra of typical γ rays clearly indicate a long-lived low-spin isomer in 176Ir.
Keywords: 21.10.Re      23.20.Lv      27.70.+q     
Published: 01 September 2005
PACS:  21.10.Re (Collective levels)  
  23.20.Lv (γ-transitions and level energies)  
  27.70.+q (150 ≤ A ≤ 189)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I9/02211
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WANG Hua-Lei
ZHANG Yu-Hu
ZHOU Xiao-Hong
GUO Ying-Xiang
LEI Xiang-Guo
XU Shu-Wei
XIE Yuan-Xiang
LIU Min-Liang
ZHENG Yong
XING Ye-Bing
XIE Cheng-Ying
SONG Li-Tao
LUO Peng
YU Hai-Ping
GUO Wen-Tao
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