Constraints on the 12C(α,γ)16O astrophysical S factor from the beta-delayed α emission of 16N

Details Constraints on the 12C(α,γ)16O astrophysical S factor from the beta-delayed α emission of 16N Constraints on the 12C(α,γ)16O astrophysical S factor from the beta-delayed α emission of 16N

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvc..41.1736j&link_type=abstract

Physical Review C (Nuclear Physics), Volume 41, Issue 4, April 1990, pp.1736-1741

Physics

Nuclear Physics

22

Relation With Nuclear Matrix Elements And Nuclear Structure, 3H-, 3He-, And 4He-Induced Reactions

Scientific paper

The E1 astrophysical S factor for the 12C(α,γ)16O reaction is studied using R-matrix theory. The constraints on this quantity from the α-particle spectrum following 16N β decay are investigated with a set of pseudodata in an attempt to identify what additional information might be extracted from future measurements. The possibility of an experimental separation of the p- and f-wave α particles is discussed. Additional precise measurements of the β-delayed α particles at total center-of-mass energies near 1.0 MeV and the (α,γ) cross section at energies below and above previous measurements are particularly useful in constraining the S factor.

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