Chinese Physics C > 1996, Vol. 20 > Issue(S3): 243-251

Study of High-Spin States in¹⁹⁸Bi

1 Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China;
2 China Institute of Atomic Energy, Beijing, China

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Abstract：
The high-spin states of ¹⁹⁸Bi have been studied via the reaction ¹⁸⁷Re( ¹⁶O, 5n) ¹⁹⁸Bi at ¹⁶O energies from 85-105MeV. In-beam measurements of γ-ray excitation functions, γ-γ- tcoincidences, and γ-ray angular distributions were carried out with 6 BGO(AC)HPGe detectors and 1 intrinsic Ge planar detector. A level scheme for ¹⁹⁸Bi with 26 γ-rays was established for the first time, including a 15 ⁺isomer with a measured half-life of 8.0±3.6ns. Based on the known level structure systematics in ^200-206Bi, the level structure of ¹⁹⁸Bi was qualitatively interpreted by using semi-empirical methods.
- γ-γ-tcoincidence,
- level scheme,
- isomer

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Zhou Xiaohong, Sun Xiangfu, Guo Yinxiang, Lei Xiangguo, Liu Zhong, Zhang Yuhu, Chen Xinfeng, Jin Hanjuan, Luo Yixiao, Wen Shuxian, Yuan Guanjun, Li Guangsheng and Yang Chunxiang. Study of High-Spin States in ¹⁹⁸Bi[J]. Chinese Physics C, 1996, 20(S3): 243-251.

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Received: 1995-09-26

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Supported by the National Natural Science Foundation of China.

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通讯作者:陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Study of High-Spin States in¹⁹⁸Bi

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

2 China Institute of Atomic Energy, Beijing, China

Received Date:1995-09-26

Fund Project:Supported by the National Natural Science Foundation of China.

Abstract:The high-spin states of¹⁹⁸Bi have been studied via the reaction¹⁸⁷Re(¹⁶O, 5n)¹⁹⁸Bi at¹⁶O energies from 85-105MeV. In-beam measurements of γ-ray excitation functions, γ-γ-tcoincidences, and γ-ray angular distributions were carried out with 6 BGO(AC)HPGe detectors and 1 intrinsic Ge planar detector. A level scheme for¹⁹⁸Bi with 26 γ-rays was established for the first time, including a 15⁺isomer with a measured half-life of 8.0±3.6ns. Based on the known level structure systematics in^200-206Bi, the level structure of¹⁹⁸Bi was qualitatively interpreted by using semi-empirical methods.

Study of High-Spin States in¹⁹⁸Bi

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通讯作者:陈斌, bchen63@163.com

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