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Nuclear Moment Studies with Polarized Radioactive Nuclear Beams

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Abstract

Magnetic dipole and electric quadrupole moments of nuclei in the light-mass neutron-rich region have been studied by taking advantage of spin-polarized radioactive nuclear beams that have been obtained from the projectile fragmentation reaction. Analyses of the results reveal a few interesting phenomena characteristic of nuclear structures in this region. In particular, we report in some detail the latest result on the magnetic moment of the 17C ground state. The distinctly small value of the g-factor obtained, |g(17C)|=0.5054±0.0025, clearly excludes a I π=1/2+ candidate for the spin-parity assignment of this marginally bound nucleus, providing a reasonable account of the non-halo nature reported in recent breakup reaction experiments. Finally, future plans at the upcoming radioactive beam facility presently under construction at RIKEN are briefly mentioned.

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Authors and Affiliations

  1. Dept. of Physics, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8851, Japan

    K. Asahi, H. Ogawa, D. Kameda, H. Miyoshi & K. Sakai

  2. RIKEN, Wako-shi, Saitama, 351-0198, Japan

    K. Asahi, H. Ueno, Y. Kobayashi, W. Sato, A. Yoshimi, H. Watanabe, A. Yoshida, T. Kubo & M. Ishihara

  3. Dept. of Physics, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033, Japan

    N. Imai, K. Yoneda, Y. X. Watanabe, N. Fukuda & N. Aoi

Authors
  1. K. Asahi
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  2. H. Ogawa
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  3. H. Ueno
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  4. Y. Kobayashi
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  5. W. Sato
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  6. A. Yoshimi
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  7. H. Watanabe
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  8. D. Kameda
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  9. H. Miyoshi
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  10. K. Sakai
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  11. N. Imai
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  12. K. Yoneda
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  13. Y. X. Watanabe
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  14. N. Fukuda
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  15. N. Aoi
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  16. A. Yoshida
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  17. T. Kubo
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  18. M. Ishihara
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Asahi, K., Ogawa, H., Ueno, H. et al. Nuclear Moment Studies with Polarized Radioactive Nuclear Beams. Hyperfine Interactions 136, 183–187 (2001). https://doi.org/10.1023/A:1020536116462

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