Precise measurement of magnetic moment of short-lived β-emitting nuclei12B ( I π=1+, T 1/2=20.18 ms) |
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| Authors: | Zhou Dongmei Zheng Yongnan Du Enpeng Xu Yongjun Zhu Jiazheng Yuan Daqing Wang Zhiqiang Luo Hailong Zuo Yi Ma Ruigang Duan Xiao M. Mihara M. Fukuda K. Matsuta T. Minamisono Zhu Shengyun |
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| Affiliation: | (1) China Institute of Atomic Energy, P. O. Box 275-50, 102413 Beijing, China;(2) Graduate School of Science, Osaka University, Toyonaka, 560-0043 Osaka, Japan |
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| Abstract: | The spin polarized β-emitting nuclei12B (I π=1+,T 1/2=20.18 ms) were produced by the nuclear reaction11B(d, p)12B and by the selection technique of the incident deuteron energy and the12B recoil angle following the nuclear reaction. The nuclear magnetic moment of the short-lived nuclei12B was measured by β-NMR with the β-NMR and β-NQR setup established for the first time in China. The nuclear magnetic moment of12B was determined to be μ=0.99993±0.00048 nm org=0.99993±0.00048 after the precise correction of the Knight shift. |
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| Keywords: | short-lived12B (I π =1+,T 1/2=20.18 ms) nuclei nuclear magnetic moment Knight shift β -NMR |
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