Nuclear pasta and supernova neutrinos at late times
High Energy Astrophysical Phenomena
2016-12-01 v1 High Energy Physics - Phenomenology
Nuclear Theory
Abstract
Nuclear pasta, with nucleons arranged into tubes, sheets, or other complex shapes, is expected in core collapse supernovae (SNe) at just below nuclear density. We calculate the additional opacity from neutrino-pasta coherent scattering using molecular dynamics simulations. We approximately include this opacity in simulations of SNe. We find that pasta slows neutrino diffusion and greatly increases the neutrino signal at late times of 10 or more seconds after stellar core collapse. This signal, for a galactic SN, should be clearly visible in large detectors such as Super-Kamiokande.
Keywords
Cite
@article{arxiv.1611.10226,
title = {Nuclear pasta and supernova neutrinos at late times},
author = {C. J. Horowitz and D. K. Berry and M. E. Caplan and T. Fischer and Zidu Lin and W. G. Newton and E. O'Connor and L. F. Roberts},
journal= {arXiv preprint arXiv:1611.10226},
year = {2016}
}
Comments
6 pages, 4 figures