Uncertaities due to convection and production of s-nuclei in massive stars

Details Uncertaities due to convection and production of s-nuclei in massive stars Uncertaities due to convection and production of s-nuclei in massive stars

2011-09-08

arxiv.org/abs/1109.1768v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, no figures, Proceedings of the "54{\deg} congresso della Societa' Astronomica Italiana", Napoli, May 4-7, 2010, to ap

Scientific paper

We have investigated the role of the convective overshooting on the production of s-nuclei during core He-burning phase in stellar models with different initial mass and metallicity ($15 \leq M_{ZAMS}/M_{\odot} \leq 25$; $10^{-4} \leq Z \leq 0.02$), considering a diffusive approach to model the convective overshooting. The results and their possible consequences on some open questions linked to the s-process weak component efficiency are discussed.

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