Supernova Neutrino Opacities
Astrophysics
2007-05-23 v1
Abstract
In a supernova (SN) core during infall and after collapse, neutrinos are trapped by their interactions with nucleons. For the axial-vector current interactions it is not enough to include static particle-particle correlations. Even the single-nucleon spin autocorrelation reduces the scattering cross section dramatically. Therefore, the dynamical structure of the spin-density structure function has an important impact on neutrino transport in supernovae. At the present time, SN neutrino opacities cannot be calculated to a controlled degree of precision.
Cite
@article{arxiv.astro-ph/9608074,
title = {Supernova Neutrino Opacities},
author = {Georg G. Raffelt},
journal= {arXiv preprint arXiv:astro-ph/9608074},
year = {2007}
}
Comments
5 pages, including 1 figure. Contribution to the Proceedings of Neutrino 96, Helsinki