Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...184.4111b&link_type=abstract
American Astronomical Society, 184th AAS Meeting, #41.11; Bulletin of the American Astronomical Society, Vol. 26, p.927
Astronomy and Astrophysics
Astrophysics
Scientific paper
We explore the impact of two-dimensional convective shell oxygen burning simulations on explosive nucleosynthesis in supernovae. Significant perturbations in density (5%), temperature (1%), pressure (3%), and electron fraction (0.08%) arise in one model of convective oxygen burning completed to date (Bazan and Arnett 1994). The electron fraction perturbation itself translates to a 36% perturbation in neutron excess, eta , which governs explosive nucleosynthesis. This attribute, plus the density and velocity perturbations induced by convection, are enough to describe the distribution of velocities of (56) Ni blobs once a SN shock wave passes through the former oxygen burning shell. We explore the effects of initial shock wave models, dimensionality, and zoning on two-dimensional explosive nucleosynthesis in supernovae. Bazan, G. and Arnett, W. D., 1994, Astrophysical Journal Letters, submitted.
Arnett David. W.
Bazan Grant
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