Universality of supernova gamma-process

Details Universality of supernova gamma-process Universality of supernova gamma-process

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1016..111h&link_type=abstract

ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: The 10th International Symposium on Origin of Matter and Evolution of Galaxies: From

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Supernova Remnants, Origin, Formation, And Abundances Of The Elements, Isotopic Composition

Scientific paper

The solar abundances show empirical scaling laws for p- and s-nuclei with the same atomic number, which are a piece of evidence that most p-nuclei are dominantly synthesized by supernova γ-process. The scalings led to a novel concept of the universality of the γ-process that scalings should hold for individual supernova nucleosyntheses. Supernova γ-process calculations under various astrophysical conditions show the universality originated from three mechanism, shift of γ-process layers, change of abundance distribution by weak s-process, independence of nuclear reaction flows. Scaling show some deviations which may originate from contribution of other nucleosynthesis processes. The corrected abundance ratios show clear correlation, which means that the scaling is robust.

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