Nucleosynthesis in Non-Convective Mixing of Low-Mass Red Giants: Effects of New Reaction Rates

Details Nucleosynthesis in Non-Convective Mixing of Low-Mass Red Giants: Effects of New Reaction Rates Nucleosynthesis in Non-Convective Mixing of Low-Mass Red Giants: Effects of New Reaction Rates

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..445...39p&link_type=abstract

Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants. Proceedings of a conference held at University Ca

Astronomy and Astrophysics

Astronomy

Scientific paper

Two new compilations of nuclear reaction rates for proton captures on light and intermediate-mass nuclei have recently been published. In the light of these improvements and the upgraded version of the FRANEC code, we present some results of nucleosynthesis in non-convective mixing episodes occurring in low-mass AGB stars. Special attention is paid to the temporal evolution of the oxygen and aluminum isotopic mix in AGB envelopes, by comapring the model predictions to the abundances in presolar oxide grains. Important new results emerge on these issues, yielding consequences for the initial mass of the stellar progenitors of oxide grains.

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