The 17F(p, γ)18Ne direct capture cross section

J. C. Blackmon, D. W. Bardayan, C. R. Brune, F. Carstoiu, A. E. Champagne, R. Crespo, T. Davinson, J. C. Fernandes, C. A. Gagliardi, U. Greife, C. J. Gross, P. A. Hausladen, C. Iliadis, C. C. Jewett, R. L. Kozub, T. A. Lewis, F. Liang, B. H. Moazen, A. M. Mukhamedzhanov, C. D. NesarajaF. M. Nunes, P. D. Parker, D. C. Radford, L. Sahin, J. P. Scott, D. Shapira, M. S. Smith, J. S. Thomas, L. Trache, R. E. Tribble, P. J. Woods, C. H. Yu

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5 Scopus citations

Abstract

The 17F(p,γ)18Ne reaction is important for understanding nucleosynthesis in novae. This reaction rate is expected to be dominated by the unmeasured direct-capture cross section at nova temperatures. We have measured cross sections for the proton-transfer reaction 14N(17F,18Ne)13C to determine 17F+p asymptotic normalization coefficients for 18Ne bound states and the 17F(p, γ)18Ne direct-capture cross section. Elastic scattering cross sections for the 14N(17F,17F) 14N and 12C(17F,17F) 12C reactions were also measured and used to determine reliable optical-model parameters within the framework of a microscopic double-folding model. Here we present the technique and some preliminary results.

Original languageEnglish
Pages (from-to)365-369
Number of pages5
JournalNuclear Physics A
Volume746
Issue number1-4 SPEC.ISS.
DOIs
StatePublished - Dec 27 2004

Funding

ORNL is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-00OR22725.

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