Magnetic moments of proton drip-line nuclei13O and9C |
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| Authors: | Matsuta K Minamisono T Tanigaki M Fukuda M Nojiri Y Mihara M Onishi T Yamaguchi T Harada A Sasaki M Miyake T Minamisono K Fukao T Sato K Matsumoto Y Ohtsubo T Fukuda S Momota S Yoshida K Ozawa A Kobayashi T Tanihata I Alonso J R Krebs G F Symons T J M |
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| Institution: | (1) Department of Physics, Faculty of Science, Osaka University, 560 Toyonaka, Japan;(2) Department of Physics, Faculty of Science, Niigata Univ., 950-21 Niigata, Japan;(3) RIKEN, Wako, 351-01 Saitama, Japan;(4) Lawrence Berkeley Laboratory, 94720 Berkeley, CA, USA |
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| Abstract: | The magnetic moments of the proton drip-line nuclei13O(I
 = 3/2–,T
1/2 = 8.6 ms) and 9C(I
= 3/2–,T
1/2 = 126 ms) have been determined for the first time through the combined techniques of polarized radioactive nuclear beams and -NMR detection. The observed magnetic moments are ¦ (13O)¦ = 1.3891 ±0.0003
N and ¦(9C)¦ = 1.3914 ±0.0005
N. Spin expectation values    are deduced to be 0.76 and 1.44 for13O and9C, respectively. While the of13O is consistent with the systematics from isospinT= 1/2 mirror pairs, the of9C is unusually large, even far larger than the single particle value, = 1. |
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