Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005a%26a...444l...1g&link_type=abstract
Astronomy and Astrophysics, Volume 444, Issue 1, December II 2005, pp.L1-L4
Astronomy and Astrophysics
Astrophysics
7
Hydrodynamics, Nuclear Reactions, Nucleosynthesis, Stars: White Dwarfs
Scientific paper
The p-process nucleosynthesis in He-accreting white dwarfs with sub-Chandrasekhar mass
is revisited in the light of multi-dimensional hydrodynamical simulations. Post-processing calculations are performed on a sample of well-chosen track particles representative of the core and envelope material that is subject to the p-process. The p-abundance distributions in the disrupted core as well as in the ejected envelope are estimated and compared with previous analysis based on spherical-symmetric simulations. The present calculations confirm the results obtained in 1D simulations and the possibility to produce in particular the puzzling Mo and Ru p-isotopes in the envelope, provided it is initially enriched in s-process elements.
Bravo Eduardo
Garcia-Senz Domingo
Goriely Stephane
Jose Jubin
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