The 15O(alpha,gamma)19Ne* reaction using a 18Ne radioactive beam

S. Cherubini, W. Galster, J.S. Graulich, P. Leleux, M. Loiselet, A. Musumarra, A. Ninane, G. Ryckewaert, J. Vervier, M. Aliotta, P. Figuera, M. Lattuada, M.G. Pellegriti, C. Spitaleri, T. Davinson, A. Di Pietro, A.M. Laird, A.N. Ostrowski, A.C. Shotter, P.J. WoodsJ. Hinnefeld, S. Typel, H. Wolter

Research output: Contribution to journalArticlepeer-review


The 15O(α,γ)19Ne reaction is generally considered as a potential breakout reaction from the hot CNO cycle. Under nova conditions, the reaction rate is dominated by a single sub-Coulomb resonance at Ec.m.=504 keV which corresponds to a 19Ne excitation energy of ER=4.033 MeV. Results from a d(18Ne,19Ne)p experiment show that states of astrophysical interest are populated in this reaction. An upper limit for the α-branching ratio of the 4.033 MeV state was identified and branching ratios for other states in 19Ne were found to be in good agreement with stable beam based results.
Original languageEnglish
Pages (from-to)465-467
Number of pages2
JournalNuclear Physics A
Issue number1-2
Publication statusPublished - 21 May 2001


  • CNO cycle
  • 15O(α
  • γ)19Ne* reaction
  • radioactive beams
  • plasmas


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