Low Energy Resonances in ^14N(α,γ)^18F and the Implications for stellar He-Burning

Details Low Energy Resonances in ^14N(α,γ)^18F and the Implications for stellar He-Burning Low Energy Resonances in ^14N(α,γ)^18F and the Implications for stellar He-Burning

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aps..dnp..bd02g&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, October 20-23, 1999 Pacific Grove, CA, abstract #BD.02

Physics

Nuclear Physics

Scientific paper

The reaction rate of ^14N(α,γ)^18F is of importance for the neutron production in core helium burning of massive red giant stars. Only limited information was available about the contributions of possible low energy resonances in the reaction. We have measured the strength of the two lowest known resonances which dominate the reaction rate at temperatures of interest. TiN targets were bombarded with intense α-beams from the KN-accelerator at the Forschungszentrum Karlsruhe and the resulting β^+-activity was measured with two Ge-clover detectors. The experimental results will be presented and the implications for the neutron production in red giant stars will be discussed.

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