Measurement of the E_R=338 keV Resonance Strength for ^23Na(p,α)^20Ne

Details Measurement of the E_R=338 keV Resonance Strength for ^23Na(p,α)^20Ne Measurement of the E_R=338 keV Resonance Strength for ^23Na(p,α)^20Ne

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apr.x7012r&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

The absolute strength of the E_R=338 keV resonance for ^23Na(p,α)^20Ne has been determined. The experiment was carried out by measuring the number of resonant α--particles, integrated over the yield curve, simultaneously with the number of Rutherford scattered protons. The method applied in the present work is independent of target stoichiometry, uniformity, stopping power, beam straggling and current integration. We obtained a value of ωγ=(7.06 ± 0.35)\cdot10-2 eV for this resonance strength, which is smaller compared to previous results. Possible reasons for the discrepancy are discussed. The present method can also be applied to other low-energy resonances, assuming that it's limitations are considered carefully.

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