Astrophysical reaction rate for F 17 (p, γ) Ne 18 from the transfer reaction C 13 (O 17, O 18) C 12

  • T. Al-Abdullah
  • , F. Carstoiu
  • , X. Chen
  • , H. L. Clark
  • , C. A. Gagliardi
  • , Y. W. Lui
  • , A. Mukhamedzhanov
  • , G. Tabacaru
  • , Y. Tokimoto
  • , L. Trache
  • , R. E. Tribble
  • , Y. Zhai

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The asymptotic normalization coefficients of the bound states Jπ=(01+,21+,41+,22+) in O18 are extracted from the peripheral neutron transfer reaction C13(O17,O18)C12. They are then converted to their mirror states in Ne18, which are further used to evaluate the astrophysical S factor for the proton capture reaction F17(p,γ)Ne18. The elastic-scattering cross sections have been measured in both incoming and outgoing channels in order to extract the optical potentials needed for distorted-wave-Born-approximation calculations. The S factor is found to be S1-17(0)=2.17±0.37 keV b. The contribution of the direct capture rate to this reaction is estimated, and its consequences on the production of F18 at stellar energies in ONe novae are discussed.

Original languageEnglish
Article number025809
JournalPhysical Review C
Volume89
Issue number2
DOIs
StatePublished - 26 Feb 2014
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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