Investigating the strength of the N = 34 subshell closure in 54Ca

D. Steppenbeck, S. Takeuchi, N. Aoi, P. Doornenbal, J. Lee, M. Matsushita, H. Wang, H. Baba, N. Fukuda, S. Go, M. Honma, K. Matsui, S. Michimasa, T. Motobayashi, D. Nishimura, T. Otsuka, H. Sakurai, Y. Shiga, P. A. Söderström, T. SumikamaH. Suzuki, R. Taniuchi, Y. Utsuno, J. J. Valiente-Dobón, K. Yoneda

研究成果: ジャーナルへの寄稿会議記事査読

9 被引用数 (Scopus)


Excited states in the exotic N = 34 isotope 54Ca have been measured for the first time via in-beam γ-ray spectroscopy with proton-knockout reactions from 55Sc and 56Ti radioactive beams on a Be reaction target at the Radioactive Isotope Beam Factory, Japan. A strong candidate for the transition from the first 2+ state to the 0+ ground state has been identified, in addition to several other weaker transitions. The structure of the N = 33 isotope 53Ca has also been investigated from the same data. Preliminary γ-ray energy spectra for 54Ca and 53Ca will be presented and the significance of the N = 34 subshell closure will be examined. Predictions of several shell-model interactions performed in the fp model space will be discussed in light of the new results.

ジャーナルJournal of Physics: Conference Series
出版ステータス出版済み - 2013
イベントInternational Symposium on Exotic Nuclear Structure From Nucleons, ENSFN 2012 - Tokyo, 日本
継続期間: 10月 10 201210月 12 2012

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学一般


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