Study of Excited States in Neutron-Deficient <SUP>197</SUP>Bi

Zhou Xiaohong; Sun Xiangfu; Guo Yingxiang; Lei Xiangguo; Liu Zhong; Chen Xinfeng; Zhang Yuhu; Jin Hanjuan; Luo Yixiao; Wen Shuxian; Yuan Guanjun; Li Guangsheng; Yang Chunxiang

Chinese Physics C> 1995, Vol. 19> Issue(11) : 961-967

Study of Excited States in Neutron-Deficient ¹⁹⁷Bi

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 7300001 China Institute of Atomic Energy,Beijing 102413

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Abstract：
High-spin states in ¹⁹⁷Bi were populated by bombarding natural Re target and isotope ¹⁸⁷Re target with ¹⁶O beam of 100 MeV. Using comprehensive γ-γ-t coincidence measurements,three new isomers in ¹⁹⁷Bi were established and eleven new y-transitions were identified,while errors in the existing level scheme were corrected.From the level structure systematics of the odd-mass Bi isotopes, the configuration and decay properties of a new isomer with t_1/2n=19.3±4.9ns in ¹⁹⁷Bi were discussed.The y-ray angular distributions were also measured.A new level scheme of ¹⁹⁷Bi was proposed.

References

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Zhou Xiaohong, Sun Xiangfu, Guo Yingxiang, Lei Xiangguo, Liu Zhong, Chen Xinfeng, Zhang Yuhu, Jin Hanjuan, Luo Yixiao, Wen Shuxian, Yuan Guanjun, Li Guangsheng and Yang Chunxiang. Study of Excited States in Neutron-Deficient ¹⁹⁷Bi[J]. Chinese Physics C, 1995, 19(11): 961-967.

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Received: 1900-01-01
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Excited States in Neutron-Deficient ¹⁹⁷Bi

Corresponding author: Zhou Xiaohong,

Institute of Modern Physics,The Chinese Academy of Sciences,Lanzhou 7300001 China Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1995-11-15

Abstract: High-spin states in ¹⁹⁷Bi were populated by bombarding natural Re target and isotope ¹⁸⁷Re target with ¹⁶O beam of 100 MeV. Using comprehensive γ-γ-t coincidence measurements,three new isomers in ¹⁹⁷Bi were established and eleven new y-transitions were identified,while errors in the existing level scheme were corrected.From the level structure systematics of the odd-mass Bi isotopes, the configuration and decay properties of a new isomer with t_1/2n=19.3±4.9ns in ¹⁹⁷Bi were discussed.The y-ray angular distributions were also measured.A new level scheme of ¹⁹⁷Bi was proposed.

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Study of Excited States in Neutron-Deficient 197Bi

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Study of Excited States in Neutron-Deficient ¹⁹⁷Bi

Study of Excited States in Neutron-Deficient ¹⁹⁷Bi