Measurements of the ^1H(^18F,p)^18F and ^1H(^18F,α)^15O Excitation Functions at the HRIBF

Details Measurements of the ^1H(^18F,p)^18F and ^1H(^18F,α)^15O Excitation Functions at the HRIBF Measurements of the ^1H(^18F,p)^18F and ^1H(^18F,α)^15O Excitation Functions at the HRIBF

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aps..dnp.db010b&link_type=abstract

American Physical Society, Division of Nuclear Physics Meeting, October 4-7, 2000 Williamsburg, VA, abstract #DB.010

Physics

Nuclear Physics

Scientific paper

Knowledge of the astrophysical ^18F(p,α)^15O rate is important for understanding gamma-ray emission from novae and heavy-element production in x-ray bursts. A state with Ex ~= 7.075 MeV in ^19Ne provides an s-wave resonance and, depending on its properties, could dominate the ^18F(p,α)^15O rate. By simultaneously measuring the ^1H(^18F,p)^18F and ^1H(^18F,α)^15O excitation functions with a radioactive ^18F beam at ORNL's Holifield Radioactive Ion Beam Facility, we have resolved discrepancies(Utku et al.), Phys. Rev. C57, 2731 (1998).^,(Coszach et al.), Phys. Lett. B353, 184 (1995).^,(Rehm et al.), Phys. Rev. C52, R460 (1995); 53, 1950 (1996). in the properties of this astrophysically-important state. Our results will be presented.

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