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Inelastic scattering on 12Be and disappearance of the N = 8 magic number

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Abstract:

Experimental studies on in-beam γ-ray spectroscopy using a 12Be radioactive beam are presented. Inelastic scattering of the neutron-rich 12Be nucleus on 208Pb, 12C, and (CH2)n targets has been studied by measuring de-excitation γ-rays in coincidence with scattered particles. The level schemes and transition probabilities are determined for low-lying excited states in 12Be. The present paper presents a brief review of the spectroscopic results, which may be associated with the N = 8 shell quenching near the drip line.

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Authors and Affiliations

  1. Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan, , , , , , JP

    H. Iwasaki, N. Fukuda, M. Hirai & H. Sakurai

  2. Department of Physics, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan, , , , , , JP

    T. Motobayashi, Y. Ando, H. Fujiwara, Y. Higurashi, I. Hisanaga, T. Kijima, T. Minemura, S. Ozawa & S. Takeuchi

  3. The Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan, , , , , , JP

    H. Akiyoshi, Zs. Fülöp, K. I. Hahn, A. Mengoni, Y. Yanagisawa & M. Ishihara

  4. Department of Physics, Tohoku University, Aza-Aoba, Aramaki, Aoba, Sendai, Miyagi 980-8578, Japan, , , , , , JP

    N. Iwasa

  5. Department of Physics, Tokyo Institute of Technology, 2-12-1 Oh-okayama, Meguro, Tokyo 152-8551, Japan, , , , , , JP

    T. Nakamura

  6. Center for Nuclear Study (CNS), University of Tokyo, RIKEN Campus, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan, , , , , , JP

    M. Notani, S. Shimoura & T. Teranishi

  7. Center for Mathematical Sciences, the University of Aizu, Aizu-Wakamatsu, Fukushima 965-8580, Japan, , , , , , JP

    H. Sagawa

Authors
  1. H. Iwasaki
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  2. T. Motobayashi
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  3. H. Akiyoshi
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  4. Y. Ando
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  5. N. Fukuda
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  6. H. Fujiwara
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  7. Zs. Fülöp
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  8. K. I. Hahn
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  9. Y. Higurashi
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  10. M. Hirai
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  11. I. Hisanaga
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  12. N. Iwasa
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  13. T. Kijima
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  14. A. Mengoni
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  15. T. Minemura
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  16. T. Nakamura
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  17. M. Notani
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  18. S. Ozawa
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  19. H. Sagawa
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  20. H. Sakurai
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  21. S. Shimoura
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  22. S. Takeuchi
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  23. T. Teranishi
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  24. Y. Yanagisawa
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  25. M. Ishihara
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Additional information

Received: 1 May 2001 / Accepted: 4 December 2001

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Iwasaki, H., Motobayashi, T., Akiyoshi, H. et al. Inelastic scattering on 12Be and disappearance of the N = 8 magic number. Eur Phys J A 13, 55–58 (2002). https://doi.org/10.1140/epja1339-29

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  • DOI: https://doi.org/10.1140/epja1339-29

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