Nucleosynthesis in Supernovae

Details Nucleosynthesis in Supernovae Nucleosynthesis in Supernovae

1999-04-13

arxiv.org/abs/astro-ph/9904171v2

Phys.Rev.Lett. 82 (1999) 5198

Astronomy and Astrophysics

Astrophysics

5 pages, deleted "high brow stuff" on charge conjugation for referee, Phys. Rev. Lett. in press

Scientific paper

10.1103/PhysRevLett.82.5198

Core collapse supernovae are dominated by energy transport from neutrinos. Therefore, some supernova properties could depend on symetries and features of the standard model weak interactions. The cross section for neutrino capture is larger than that for antineutrino capture by one term of order the neutrino energy over the nucleon mass. This reduces the ratio of neutrons to protons in the $\nu$-driven wind above a protoneutron star by approximately 20 % and may significantly hinder r-process nucleosynthesis.

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