2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161160Neutrinos produced in gamma-ray bursters (GRBers) may provide a unique probe for the physics of these extreme astrophysical systems. Here we discuss neutrino production in inelastic neutron-proton collisions within the relativistic outflows associated with GRBers. We consider both the widely used fireball model and a recently proposed magneto-hydrodynamic (MHD) model for the GRB outflow.6 pages, no figures. Contribution to the Rencontres de Moriond 2008 (Electroweak session), La Thuile, Italy, 1-8 March 2008Astrophysicstext