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

K. Yamada, T. Motobayashi, H. Akiyoshi, N. Aoi, Zs. S. 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. TakeuchiT. Teranishi, Y. Yanagisawa, K. Yoshida, M. Ishihara

Research output: Contribution to journalArticle

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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 B
Volume579
Issue number3-4
DOIs
Publication statusPublished - Jan 22 2004

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massive stars
astrophysics
cycles
hydrogen
excitation
energy

Keywords

  • CNO cycle
  • Coulomb excitation
  • Radiative width
  • Radioactive beam

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Yamada, K., Motobayashi, T., Akiyoshi, H., Aoi, N., Fülöp, Z. S., Gomi, T., ... Ishihara, M. (2004). E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation. Physics Letters B, 579(3-4), 265-270. https://doi.org/10.1016/j.physletb.2003.11.024

E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation. / Yamada, K.; Motobayashi, T.; Akiyoshi, H.; Aoi, N.; Fülöp, Zs. S.; Gomi, T.; Higurashi, Y.; Imai, N.; Iwasa, N.; Iwasaki, H.; Iwata, Y.; Kobayashi, H.; Kurokawa, M.; Liu, Z.; Minemura, T.; Ozawa, S.; Sakurai, H.; Serata, M.; Shimoura, S.; Takeuchi, S.; Teranishi, T.; Yanagisawa, Y.; Yoshida, K.; Ishihara, M.

In: Physics Letters B, Vol. 579, No. 3-4, 22.01.2004, p. 265-270.

Research output: Contribution to journalArticle

Yamada, K, Motobayashi, T, Akiyoshi, H, Aoi, N, Fülöp, ZS, Gomi, T, Higurashi, Y, Imai, N, Iwasa, N, Iwasaki, H, Iwata, Y, Kobayashi, H, Kurokawa, M, Liu, Z, Minemura, T, Ozawa, S, Sakurai, H, Serata, M, Shimoura, S, Takeuchi, S, Teranishi, T, Yanagisawa, Y, Yoshida, K & Ishihara, M 2004, 'E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation', Physics Letters B, vol. 579, no. 3-4, pp. 265-270. https://doi.org/10.1016/j.physletb.2003.11.024
Yamada, K. ; Motobayashi, T. ; Akiyoshi, H. ; Aoi, N. ; Fülöp, Zs. S. ; Gomi, T. ; Higurashi, Y. ; Imai, N. ; Iwasa, N. ; Iwasaki, H. ; Iwata, Y. ; Kobayashi, H. ; Kurokawa, M. ; Liu, Z. ; Minemura, T. ; Ozawa, S. ; Sakurai, H. ; Serata, M. ; Shimoura, S. ; Takeuchi, S. ; Teranishi, T. ; Yanagisawa, Y. ; Yoshida, K. ; Ishihara, M. / E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation. In: Physics Letters B. 2004 ; Vol. 579, No. 3-4. pp. 265-270.
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T1 - E1 strength of the subthreshold 3/2+ state in 15O studied by Coulomb excitation

AU - Yamada, K.

AU - Motobayashi, T.

AU - Akiyoshi, H.

AU - Aoi, N.

AU - Fülöp, Zs. S.

AU - Gomi, T.

AU - Higurashi, Y.

AU - Imai, N.

AU - Iwasa, N.

AU - Iwasaki, H.

AU - Iwata, Y.

AU - Kobayashi, H.

AU - Kurokawa, M.

AU - Liu, Z.

AU - Minemura, T.

AU - Ozawa, S.

AU - Sakurai, H.

AU - Serata, M.

AU - Shimoura, S.

AU - Takeuchi, S.

AU - Teranishi, T.

AU - Yanagisawa, Y.

AU - Yoshida, K.

AU - Ishihara, M.

PY - 2004/1/22

Y1 - 2004/1/22

N2 - 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.

AB - 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.

KW - CNO cycle

KW - Coulomb excitation

KW - Radiative width

KW - Radioactive beam

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