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# High Energy Neutrinos from Cosmological Gamma-Ray Burst Fireballs

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### Abstract

Observations suggest that $$\gamma$$-ray bursts (GRBs) are produced by the dissipation of the kinetic energy of a relativistic fireball. We show that a large fraction, $$\ge 10%$$, of the fireball energy is expected to be converted by photo-meson production to a burst of $$\sim10^{14} eV$$ neutrinos. A km^2 neutrino detector would observe at least several tens of events per year correlated with GRBs, and test for neutrino properties (e.g. flavor oscillations, for which upward moving $$\tau$$'s would be a unique signature, and coupling to gravity) with an accuracy many orders of magnitude better than is currently possible.

### Author and article information

###### Journal
29 January 1997
astro-ph/9701231
10.1103/PhysRevLett.78.2292