Nucleosynthesis in O-Ne-Mg Supernovae

Details Nucleosynthesis in O-Ne-Mg Supernovae Nucleosynthesis in O-Ne-Mg Supernovae

2007-12-27

arxiv.org/abs/0712.4257v1

Astronomy and Astrophysics

Astrophysics

12 pages, 1 figure, to be published in Astrophysical Journal Letters

Scientific paper

10.1086/587621

We have studied detailed nucleosynthesis in the shocked surface layers of an Oxygen-Neon-Magnesium core collapse supernova with an eye to determining if the conditions are suitable for r process nucleosynthesis. We find no such conditions in an unmodified model, but do find overproduction of N=50 nuclei (previously seen in early neutron-rich neutrino winds) in amounts that, if ejected, would pose serious problems for galactic chemical evolution.

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