Asymptotic Normalization Coefficient for ^17F(1/2^+) → ^16O + p and the astrophysical factor for the reaction ^16O + p → ^17F + γ

Details Asymptotic Normalization Coefficient for ^17F(1/2^+) → ^16O + p and the astrophysical factor for the reaction ^16O + p → ^17F + γ Asymptotic Normalization Coefficient for ^17F(1/2^+) → ^16O + p and the astrophysical factor for the reaction ^16O + p → ^17F + γ

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aps..dnp..bb07m&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, October 5-8, 1997, abstract #BB.07

Physics

Nuclear Physics

Scientific paper

In previous work we have suggested that asymptotic normalization coefficients (ANC) can be used to find the absolute normalization of astrophysical radiative capture cross sections. One of the best tests of our method is the astrophysical reaction ^16O + p → ^17F + γ which is dominated by capture to the first excited state, 1/2^+, of ^17F with a binding energy of 105 keV. The overall normalization of the S-factor for this reaction is totally defined by the ANC for ^17F(1/2^+) → ^16O + p. We have extracted this ANC from analysis of the elastic scattering data for ^16O + p at low energies using a potential model and a K-matrix approach in Pade form and (2) from the analysis of the peripheral ^16O(^3He(20 MeV),d)^17F(1/2^+) reaction. Using the result for the ANC we have calculated the S-factor for ^17F formation. Results of the calculations and comparison to the experimentally determined rate for the capture reaction will be given.

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