Precise measurement of magnetic moment of short-lived β-emitting nuclei ^(12)B (I~π=1^+,T_(1/2)=20.18 ms)

作     者：M. Mihara M. Fukuda K. Matsuta T. Minamisono 

作者机构：Graduate School of Science Osaka University Toyonaka Osaka 560-0043 JapanGraduate School of Science Osaka University Toyonaka Osaka 560-0043 JapanGraduate School of Science Osaka University Toyonaka Osaka 560-0043 JapanGraduate School of Science Osaka University Toyonaka Osaka 560-0043 Japan 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2004年第47卷第5期

页      面：531-539页

核心收录：

学科分类：08[工学] 0827[工学-核科学与技术] 082701[工学-核能科学与工程] 

基　　金：This work was supported by the National Natural Science Foundation of China(Grant No.10175088) also partially supported by the Japan Society for the Promotion of Science for the Joint Research Project under the Japan-China Scientific cooperation program 

主　　题：short-lived 12B (Iπ = 1+, T1/2 = 20.18 ms) nuclei, nuclear magnetic moment, Knight shift, β-NMR. 

摘      要：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.