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: Conference article査読

10 被引用数 (Scopus)

抄録

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.

本文言語English
論文番号012012
ジャーナルJournal of Physics: Conference Series
445
1
DOI
出版ステータスPublished - 2013
イベントInternational Symposium on Exotic Nuclear Structure From Nucleons, ENSFN 2012 - Tokyo, Japan
継続期間: 2012 10 102012 10 12

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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