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        Two effects relevant for the study of astrophysical reaction rates : gamma transitions in capture reactions and Coulomb suppression of the stellar enhancement

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        0808.3680v1.pdf (PDF, 86Kb)
        Author
        Rauscher, T.
        Attention
        2299/14858
        Abstract
        Nucleosynthesis processes involve reactions on several thousand nuclei, both close to and far off stability. The preparation of reaction rates to be used in astrophysical investigations requires experimental and theoretical input. In this contexts two interesting aspects are discussed: (i) the relevant gamma transition energies in astrophysical capture reactions, and (ii) the newly discovered Coulomb suppression of the stellar enhancement factor. The latter makes a number of reactions with negative Q value more favorable for experimental investigation than their inverse reactions, contrary to common belief.
        Publication date
        2009
        Published in
        Capture Gamma-Ray Spectroscopy and Related Topics
        Other links
        http://hdl.handle.net/2299/14858
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