Neutrino scattering off spin-polarized particles in supernovae

Details Neutrino scattering off spin-polarized particles in supernovae Neutrino scattering off spin-polarized particles in supernovae

1999-03-11

arxiv.org/abs/astro-ph/9903186v1

Astronomy and Astrophysics

Astrophysics

11 pages, 1 figure

Scientific paper

We calculate neutrino and antineutrino scattering off electrons and nucleons in supernovae using a detailed Monte Carlo transport code incorporating realistic equations of state. The goal is to determine whether particles in a neutron star core, partially spin-aligned by the local magnetic field, can give rise to asymmetric neutrino emission via the standard parity breaking weak force. We conclude that electron scattering in a very high magnetic field does indeed give a net asymmetry, but that nucleon scattering, if present, removes the asymmetry.

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