Measurement of the spin and magnetic moment of Al23

A. Ozawa, K. Matsuta, T. Nagatomo, M. Mihara, K. Yamada, T. Yamaguchi, T. Ohtsubo, S. Momota, T. Izumikawa, Toshiyuki Sumikama, Y. Nakashima, H. Fujiwara, S. Kumashiro, R. Matsumiya, M. Ota, D. Shinojima, H. Tanaka, T. Yasuno, S. Nakajima, T. SuzukiK. Yoshida, K. Muranaka, T. Maemura, A. Chiba, Y. Utsuno, M. Fukuda, K. Tanaka, I. Tanihata, Y. Nojiri, T. Minamisono, J. R. Alonso, G. F. Krebs, T. J.M. Symons

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Abstract

For the first time, we obtained the g factor for the ground state of Al23 by use of a β-NMR measurement. Al23 has a small proton separation energy and is a potential proton-halo candidate. The obtained g factor, |g|=1.557±0.088, clearly shows the spin and parity, Jπ=5/2+, for Al23, which is the same as that of its mirror partner, Ne23. The possible nuclear structure of Al23 is also discussed.

Original languageEnglish
Article number021301
JournalPhysical Review C - Nuclear Physics
Volume74
Issue number2
DOIs
Publication statusPublished - 2006 Jan 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Ozawa, A., Matsuta, K., Nagatomo, T., Mihara, M., Yamada, K., Yamaguchi, T., Ohtsubo, T., Momota, S., Izumikawa, T., Sumikama, T., Nakashima, Y., Fujiwara, H., Kumashiro, S., Matsumiya, R., Ota, M., Shinojima, D., Tanaka, H., Yasuno, T., Nakajima, S., ... Symons, T. J. M. (2006). Measurement of the spin and magnetic moment of Al23. Physical Review C - Nuclear Physics, 74(2), [021301]. https://doi.org/10.1103/PhysRevC.74.021301