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Evidence for a new nuclear ‘magic number’ from the level structure of 54Ca

Author

Listed:
  • D. Steppenbeck

    (Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • S. Takeuchi

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • N. Aoi

    (Research Center for Nuclear Physics, University of Osaka, Ibaraki, Osaka 567-0047, Japan)

  • P. Doornenbal

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • M. Matsushita

    (Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • H. Wang

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • H. Baba

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • N. Fukuda

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • S. Go

    (Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • M. Honma

    (Center for Mathematical Sciences, Aizu University, Aizu-Wakamatsu, Fukushima 965-8580, Japan)

  • J. Lee

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • K. Matsui

    (University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • S. Michimasa

    (Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • T. Motobayashi

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • D. Nishimura

    (Tokyo University of Science, Noda, Chiba 278-8510, Japan)

  • T. Otsuka

    (Center for Nuclear Study, University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan
    University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • H. Sakurai

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan
    University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • Y. Shiga

    (Rikkyo University, Toshima, Tokyo 171-8501, Japan)

  • P.-A. Söderström

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • T. Sumikama

    (Tohoku University, Sendai, Miyagi 980-8578, Japan)

  • H. Suzuki

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

  • R. Taniuchi

    (University of Tokyo, Hongo, Bunkyo, Tokyo 113-0033, Japan)

  • Y. Utsuno

    (Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan)

  • J. J. Valiente-Dobón

    (Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro 35020, Italy)

  • K. Yoneda

    (RIKEN Nishina Center, 2-1, Hirosawa, Wako, Saitama 351-0198, Japan)

Abstract

A spectroscopic study highlights the ‘doubly magic’ nature of 54Ca and provides direct experimental evidence for the onset of a sizable subshell closure at neutron number 34 in isotopes far from stability.

Suggested Citation

  • D. Steppenbeck & S. Takeuchi & N. Aoi & P. Doornenbal & M. Matsushita & H. Wang & H. Baba & N. Fukuda & S. Go & M. Honma & J. Lee & K. Matsui & S. Michimasa & T. Motobayashi & D. Nishimura & T. Otsuka, 2013. "Evidence for a new nuclear ‘magic number’ from the level structure of 54Ca," Nature, Nature, vol. 502(7470), pages 207-210, October.
    • Handle: RePEc:nat:nature:v:502:y:2013:i:7470:d:10.1038_nature12522
    DOI: 10.1038/nature12522
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