E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation

K. Yamada, T. Motobayashi, H. Akiyoshi, N. Aoi, Zs Fülöp, T. Gomi, Y. Higurashi, N. Imai, N. Iwasa, H. Iwasaki, Y. Iwata, H. Kobayashi, M. Kurokawa, Z. Liu, T. Minemura, S. Ozawa, H. Sakurai, M. Serata, S. Shimoura, S. TakeuchiTakashi Teranishi, Y. Yanagisawa, K. Yoshida, M. Ishihara

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Abstract

The radiative width of the 3/2+ state at 6.793 MeV in 15O has been experimentally determined to be Γγ = 0.95-0.95+0.60 eV by intermediate-energy Coulomb excitation. Our result independently supports the recent studies which point to a minor contribution of this state, to the astrophysical rate of the 14N(p,γ)15O reaction in the CNO-cycle hydrogen buming in massive stars.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume579
Issue number3-4
DOIs
Publication statusPublished - Jan 22 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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