Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-13
Nucl.Phys.Proc.Suppl. 91 (2000) 494-500
Physics
High Energy Physics
High Energy Physics - Phenomenology
Neutrino 2000, Invited lecture
Scientific paper
10.1016/S0920-5632(00)00980-4
Observations suggest that gamma-ray bursts (GRBs) are produced by the dissipation of the kinetic energy of a relativistic fireball. In this talk, recent work on the production of high energy neutrinos by GRB fireballs is reviewed. A significant fraction of GRB energy is expected to be converted to an accompanying burst of high energy neutrinos. Photomeson interactions produce a burst of ~100 TeV neutrinos in coincidence with the GRB, and a burst of \~10^18 eV neutrinos following the GRB on a time scale of 10 s. Inelastic p-n nuclear collisions result in the production of a burst of ~10 GeV neutrinos in coincidence with the GRB. Planned 1 km^3 neutrino telescopes are expected to detect tens of 100 TeV neutrino events, and several 10^18 eV events, correlated with GRBs per year. A suitably densely spaced detector may allow the detection of several 10 GeV events per year. The detection of high-energy neutrino events correlated with GRBs will allow to constrain GRB progenitor models and to test the suggestion that GRBs accelerate protons to >10^20 eV. Moreover, such detection will allow to 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.
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