Large deformation of the very neutron-rich nucleus 32Mg from intermediate-energy Coulomb excitation

T. Motobayashi, Y. Ikeda, K. Ieki, M. Inoue, N. Iwasa, T. Kikuchi, M. Kurokawa, S. Moriya, S. Ogawa, H. Murakami, S. Shimoura, Y. Yanagisawa, T. Nakamura, Y. Watanabe, M. Ishihara, T. Teranishi, H. Okuno, R. F. Casten

研究成果: Article査読

626 被引用数 (Scopus)

抄録

The Coulomb excitation of a very neutron-rich nucleus 32Mg to its 2+ state was studied using an unstable nuclear beam of 32Mg at 49.2 MeV/u with a 208Pb target. The B(E2) value of 454±78 e2fm4 was extracted by a coupled channel analysis. The value is in good agreement with recent predictions. It confirms a large deformation for 32Mg suggested by the low excitation energy of the 2+ state, and points to the vanishing of the N = 20 shell gap.

本文言語English
ページ(範囲)9-14
ページ数6
ジャーナルPhysics Letters B
346
1-2
DOI
出版ステータスPublished - 1995 3 2
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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