Chinese Physics C > 1996, Vol. 20 > Issue(9): 769-777

High-Spin States in¹⁹⁸Bi

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

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Abstract：
The high-spin states in ¹⁹⁸Bi have been studied with the ¹⁸⁷Re( ¹⁶O,5n) ¹⁹⁸Bi reaction at ¹⁶O energies between 85 and 105 MeV.In-beam measurements of γ-ray excitation functions γ-γ-t coincidences and γ-ray angular distributions were carried out with 6 BGO(AC)HPGe detectors and an intrinsic Ge planar detector.A level scheme of ¹⁹⁸Bi with 26 γ-rays was established for the first time,and an 15+ isomer was determined with t1/2=8.0±3.6ns.Based on the known level systematics in ^200—206Bi,the level structure in ¹⁹⁸Bi was qualitatively interpreted.

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Zhou Xiaohong, Sun Xiangfu, Guo Yingxiang, Lei Xiangguo, liu Zhong, Zhang Yuhu, Chen Xinfeng, Jin Hanjuan, Luo Yixiao, Wen Shuxian, Yuan Guanjun, Li Guangsheng and Yang Chunxiang. High-Spin States in ¹⁹⁸Bi[J]. Chinese Physics C, 1996, 20(9): 769-777.

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Received: 1900-01-01
Revised: 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

High-Spin States in¹⁹⁸Bi

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:1996-09-05

Abstract:The high-spin states in¹⁹⁸Bi have been studied with the¹⁸⁷Re(¹⁶O,5n)¹⁹⁸Bi reaction at¹⁶O energies between 85 and 105 MeV.In-beam measurements of γ-ray excitation functions γ-γ-t coincidences and γ-ray angular distributions were carried out with 6 BGO(AC)HPGe detectors and an intrinsic Ge planar detector.A level scheme of¹⁹⁸Bi with 26 γ-rays was established for the first time,and an 15+ isomer was determined with t1/2=8.0±3.6ns.Based on the known level systematics in^200—206Bi,the level structure in¹⁹⁸Bi was qualitatively interpreted.

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High-Spin States in¹⁹⁸Bi

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通讯作者:陈斌, bchen63@163.com

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