Kinematically complete measurement of the H(F,p)F excitation function for the astrophysically important 7.08-MeV state in Ne

D.W. Bardayan, J.C. Blackmon, W. Bradfield-Smith, C.R. Brune, A.E. Champagne, T. Davinson, B.A. Johnson, R.L. Kozub, C.S. Lee, R. Lewis, P.D. Parker, A.C. Shorter, M.S. Smith, D.W. Visser, P.J. Woods

Research output: Contribution to journalArticlepeer-review

Abstract

Knowledge of the astrophysical F(p,α)O rate is important for understanding gamma-ray emission from novae and heavy-element production in x-ray bursts. A state with E≃7.08 MeV in Ne provides an s-wave resonance and, depending on its properties, could dominate the F(p,α)O rate. By measuring a kinematically complete H(F,p)F excitation function with a radioactive F beam at the ORNL Holifield Radioactive Ion Beam Facility, we find that the Ne state lies at a center-of-mass energy of 665.3±1.7 keV (E =7077±2 keV), has a total width of 38.5±3.4 keV, and a proton partial-width of 15.8±1.6 keV.
Original languageEnglish
Pages (from-to)428021-428024
Number of pages4
JournalPhysical Review C
Volume62
Issue number4
Publication statusPublished - 1 Oct 2000

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