EXPERIMENTS OF JOINED IN-BEAM γ EQUIPMENT

GUO Ying-Xiang; SUN Xiang-Fu; LUO Yi-Xiao; LEI Xiang-Guo; SUN Xi-Jun; XU Xiao-Ji; ZHAO Zhi-Zheng; WANG Ji-Cheng; YU Jian-Fang; WEN Shu-Xian; LI Sheng-Gang; WANG Pei-Kun; HUA Peng-Fei; LI Guang-Sheng; YUAN Guan-Jun; ZHU Li-Hua

Chinese Physics C> 1990, Vol. 14> Issue(7) : 635-641

EXPERIMENTS OF JOINED IN-BEAM γ EQUIPMENT

Institute of Modern Physics,Academia Sinica,Lanzhou1 Instutite of Atomic Energy,Beijing

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Abstract：
4 symmetric and 6asymmetric BGO Compton shielded HpGe detectors which constitute the Joined In-Beam Gamma Equipment have been completed and measured 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 the general case of the measurements.A discussion about the Compton suppres sion is given.The observed 25/2⁺ of the ΔJ=1 band built on the 9/2⁺ (1g 9/2 proton hole) state of ¹²¹Cs is the highest level among the similar bands of other Cs isotopes.

References

[1]	P. J. Twin et al., Phys. Rev. Lett.; 57 (1986),811.[2] 袁观俊等，“第七次全国核物理大会论文汇编”(三)，南京，1988[3] R. M. Lieder et al., Nucl. Instr. and Meth., 220(1964), 363.[4] 郭应祥等，“第七次全国核物理大会论文汇编”(三)，南京，1988,[5] U. Garg et al., Phys. Rev., C19(1979), 217.[6] J. Meyer-ter-Vehn, Nucl. Phys., A249(1975), 111.

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GUO Ying-Xiang, SUN Xiang-Fu, LUO Yi-Xiao, LEI Xiang-Guo, SUN Xi-Jun, XU Xiao-Ji, ZHAO Zhi-Zheng, WANG Ji-Cheng, YU Jian-Fang, WEN Shu-Xian, LI Sheng-Gang, WANG Pei-Kun, HUA Peng-Fei, LI Guang-Sheng, YUAN Guan-Jun, ZHU Li-Hua, EXPERIMENTS OF JOINED IN-BEAM γ EQUIPMENT[J]. Chinese Physics C, 1990, 14(7): 635-641.

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Received: 1900-01-01
Revised: 1900-01-01

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