Thermal Neutrinos from the Explosion of a Minimum-Mass Neutron Star

TL;DR

This paper calculates thermal neutrino emission from a minimum-mass neutron star explosion, showing it is significantly weaker than supernova neutrino emission and does not prevent shock acceleration.

Contribution

It provides the first detailed calculation of neutrino radiation in minimum-mass neutron star explosions and assesses its impact on shock dynamics.

Findings

Neutrino luminosity is about five orders of magnitude lower than in supernovae.

Neutrino energy loss does not prevent envelope heating or shock acceleration.

Neutrino energy carried away is small compared to explosion energy.

Abstract

We present our calculations of the thermal neutrino radiation that accompanies the explosion of a minimum-mass neutron star. In this case, the neutrino luminosity is lower than the luminosity during a supernova explosion approximately by five orders of magnitude, while the energy carried away by neutrinos is low compared to the explosion energy. We also show that the energy losses through neutrinos do not hinder the envelope heating and the cumulation of the shock during its breakout and the acceleration of the outer part of the envelope to ultrarelativistic speeds.