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Chinese Physics C> 1990, Vol. 14> Issue(S4) : 391-397 

Experiments with Joined in-beam γ Equipment

  •  1 Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China;

  •  2 Institute of Atomic Energy, Beijing, China

  • Four symmetric and 6 asymmetric BGO Compton shielded HpGe detectors which constitute the Joined In-Beam Gamma Equipment have been completed and tested at the Institute of Atomic Energy (Beijing) and Institute of Modern Physics (Lanzhou) respectively. The first set of experiments has been carried out by using the equipment. This paper describes the experimental set up and general cases of the measurements. A discussion about Compton suppression is given. The observed 25/2+ of the ΔJ=1 band built on the 9/2+ (lg9/2 proton hole) state of 121Cs is the highest spin level among the similar bands of Cs isotopes.
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Guo Yingxiang, Sun Xiangfu, Luo Ybdao, Lei Xiangguo, Sun Xijun, Xu Xiaoji, Zhao Zhizheng, Wang Jicheng, Yu Jianfang, Wen Shuxian, Li Shenggang, Weng Peikun, Hua Pengfei, Li Guangsheng, Yuan Guanjun, Zhu Lihua, Zhang Lankuan, Yu Panshui and Yan Chunxiang. Experiments with Joined in-beam γ Equipment[J]. Chinese Physics C, 1990, 14(S4): 391-397.
Guo Yingxiang, Sun Xiangfu, Luo Ybdao, Lei Xiangguo, Sun Xijun, Xu Xiaoji, Zhao Zhizheng, Wang Jicheng, Yu Jianfang, Wen Shuxian, Li Shenggang, Weng Peikun, Hua Pengfei, Li Guangsheng, Yuan Guanjun, Zhu Lihua, Zhang Lankuan, Yu Panshui and Yan Chunxiang. Experiments with Joined in-beam γ Equipment[J]. Chinese Physics C, 1990, 14(S4): 391-397. shu
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Received: 1989-10-04
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    Supported by the National Natural Science Foundation of China.

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Experiments with Joined in-beam γ Equipment

  • 1 Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China;
  • 2 Institute of Atomic Energy, Beijing, China
  • Received Date: 1989-10-04
Fund Project:  Supported by the National Natural Science Foundation of China.

Abstract: Four symmetric and 6 asymmetric BGO Compton shielded HpGe detectors which constitute the Joined In-Beam Gamma Equipment have been completed and tested at the Institute of Atomic Energy (Beijing) and Institute of Modern Physics (Lanzhou) respectively. The first set of experiments has been carried out by using the equipment. This paper describes the experimental set up and general cases of the measurements. A discussion about Compton suppression is given. The observed 25/2+ of the ΔJ=1 band built on the 9/2+ (lg9/2 proton hole) state of 121Cs is the highest spin level among the similar bands of Cs isotopes.

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