An Active-Sterile Neutrino Transformation Solution for r-Process Nucleosynthesis

Details An Active-Sterile Neutrino Transformation Solution for r-Process Nucleosynthesis An Active-Sterile Neutrino Transformation Solution for r-Process Nucleosynthesis

1999-02-06

arxiv.org/abs/astro-ph/9902106v1

Phys.Rev. C59 (1999) 2873-2887

Astronomy and Astrophysics

Astrophysics

27 pages plus twelve figures. Submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.59.2873

We discuss how matter-enhanced active-sterile neutrino transformation in both neutrino and antineutrino channels could enable the production of the rapid neutron capture (r-process) nuclei in neutrino-heated supernova ejecta. In this scheme the lightest sterile neutrino would be heavier than the electron neutrino and split from it by a vacuum mass-squared difference roughly between 3 and 70 eV$^2$ and vacuum mixing angle given by $\sin^2 2\theta_{es} > 10^{-4}$.

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