Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343..365g&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 343, Aug. 1, 1989, p. 365-368.
Astronomy and Astrophysics
Astrophysics
25
Hydrogen, Neon, Nuclear Astrophysics, Sodium, Stellar Evolution, Nuclear Fusion, Nuclear Reactions, Proton Flux Density
Scientific paper
The reactions Na-23(p, alpha) and Na-23(p, gamma)Mg-24 have been investigated at proton energies of Ep less than or equal to 350 keV. A new resonance was observed for the (p, alpha) reaction at Ep = 227 keV, and upper limits have been determined for the strength of the expected Ep = 144 keV resonance in both reactions. Possible changes in the ratio of the rates of the two reactions and their implication for the hydrogen burning in the NeNa cycle at temperatures of T9 of less than or equal to 0.3 are discussed.
Goerres Joachim
Rolfs Claus
Wiescher Michael
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