Direct measurement of the astrophysical reaction 14O(α,p)17F

M. Notani, S. Kubono, T. Teranishi, Y. Yanagisawa, S. Michimasa, K. Ue, J. J. He, H. Iwasaki, H. Baba, M. Tamaki, T. Minemura, S. Shimoura, N. Hokoiwa, Y. Wakabayashi, T. Sasaki, T. Fukuchi, A. Odahara, Y. Gono, Zs Fülöp, E. K. LeeK. I. Hahn, J. Y. Moon, C. C. Yun, J. H. Lee, C. S. Lee, S. Kato

研究成果: Contribution to journalArticle査読

9 被引用数 (Scopus)

抄録

The stellar reaction 14O(α,p)17F, that critically determines the onset of the hightemperature rp-process, has been studied through a direct measurement with a low-energy radioactive 14O beam and a gaseous helium target cooled down to 30 K. The reaction cross section was measured directly by means of a thick target technique in the energy range of Ec.m(l4O+α) = 0.8-3.8 MeV. The 14O(α,p)17F* reaction leading to the first excited state in 17F was clearly observed for the first time, suggesting an increase of about 50% for the stellar reaction rate through resonances at around 7.1 MeV in 18Ne.

本文言語英語
ページ(範囲)411-415
ページ数5
ジャーナルNuclear Physics A
738
1-4 SUPPL.
DOI
出版ステータス出版済み - 6 28 2004
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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