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        Applicability of the Hauser-Feshbach approach for the determination of astrophysical reaction rates

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        904951.pdf (PDF, 222Kb)
        Author
        Rauscher, T.
        Thielemann, Friedrich-Karl
        Kratz, K.L.
        Attention
        2299/11036
        Abstract
        Nuclear Astrophysics requires the knowledge of reaction rates over a wide range of nuclei and temperatures. In recent calculations the nuclear level density – as an important ingredient to the statistical model (Hauser-Feshbach) – has shown the highest uncertainties. In a back-shifted fermi-Gas formalism utilizing an energy-dependent level density parameter and employing microscopic corrections from a recent FRDM mass formula, we obtain a highly improved fit to experimental level densities. The resulting level density is used for determining criteria for the applicability of the statistical model
        Publication date
        1997-08-04
        Published in
        Nuclear Physics A
        Other links
        http://hdl.handle.net/2299/11036
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