Low-energy resonances in 14N(α,γ)18F and their astrophysical implications

Details Low-energy resonances in 14N(α,γ)18F and their astrophysical implications Low-energy resonances in 14N(α,γ)18F and their astrophysical implications

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000phrvc..62e5801g&link_type=abstract

Physical Review C (Nuclear Physics), Volume 62, Issue 5, November 2000, id.055801

Physics

Nuclear Physics

21

Hydrostatic Stellar Nucleosynthesis, 3H-, 3He-, And 4He-Induced Reactions, Resonances

Scientific paper

The strengths of low-energy resonances in 14N(α,γ)18F at 573 keV and 1136 keV have been measured using an activation method. In addition, their relative strength and the energy of the lower resonance have been determined in a prompt γ-ray experiment. The results of these measurements are used to reevaluate the stellar reaction rate of 14N(α,γ)18F. The present reaction rate at temperatures of astrophysical interest is a factor of 2 smaller than previously reported.

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