Sterile neutrinos and supernova nucleosynthesis

Details Sterile neutrinos and supernova nucleosynthesis Sterile neutrinos and supernova nucleosynthesis

1999-10-09

arxiv.org/abs/astro-ph/9910175v1

Phys.Rev. D61 (2000) 123005

Astronomy and Astrophysics

Astrophysics

29 pages, 3 postscript figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.61.123005

A light sterile neutrino species has been introduced to explain simultaneously the solar and atmospheric neutrino puzzles and the results of the LSND experiment, while providing for a hot component of dark matter. Employing this scheme of neutrino masses and mixings, we show how matter-enhanced active-sterile neutrino transformation followed by active-active neutrino transformation can solve robustly the neutron deficit problem encountered by models of r-process nucleosynthesis associated with neutrino-heated supernova ejecta.

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