TeV Neutrinos and GeV Photons from Shock Breakout in Supernovae

Details TeV Neutrinos and GeV Photons from Shock Breakout in Supernovae TeV Neutrinos and GeV Photons from Shock Breakout in Supernovae

2001-02-19

arxiv.org/abs/astro-ph/0102317v1

Phys.Rev.Lett. 87 (2001) 071101

Astronomy and Astrophysics

Astrophysics

submitted to PRL

Scientific paper

10.1103/PhysRevLett.87.071101

We show that as a Type II supernova shock breaks out of its progenitor star, it becomes collisionless and may accelerate protons to energies >10 TeV. Inelastic nuclear collisions of these protons produce a ~1 hr long flash of TeV neutrinos and 10 GeV photons, about 10 hr after the thermal (10 MeV) neutrino burst from the cooling neutron star. A Galactic supernova in a red supergiant star would produce a photon and neutrino flux of ~10^{-4} erg/cm^2 s. A km^2 neutrino detector will detect ~100 muons, thus allowing to constrain both supernova models and neutrino properties.

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