Excited states in neutron rich boron isotopes

R. Kanungo, Z. Elekes, H. Baba, Zs Dombrádi, Zs Fülöp, J. Gibelin, Á Horváth, Y. Ichikawa, E. Ideguchi, N. Iwasa, H. Iwasaki, S. Kawai, Y. Kondo, T. Motobayashi, M. Notani, T. Ohnishi, A. Ozawa, H. Sakurai, S. Shimoura, E. TakeshitaS. Takeuchi, I. Tanihata, Y. Togano, C. Wu, Y. Yamaguchi, Y. Yanagisawa, A. Yoshida, K. Yoshida

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)

抄録

New experimental results on in-beam gamma spectroscopy of neutron rich boron isotopes are presented for 17B and its neutron removal fragments 14,15B, after scattering with a H2 target. A gamma transition for 17B is observed at 1089±15 keV. The fragment 15B is observed abundantly associated with a gamma transition of 1336±10 keV. This suggests for the first time a core-excited structure for 17B thereby providing a new insight into its structure. Observations for 12,14B are also presented. The data set provides a useful systematic study of first excited states of neutron rich boron isotopes showing the dramatic drop in excitation energy beyond N = 8.

本文言語英語
ページ(範囲)206-214
ページ数9
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
608
3-4
DOI
出版ステータス出版済み - 2 24 2005
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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