Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-08-16
Astronomy and Astrophysics
Astrophysics
Ph.D. thesis (64 pages)
Scientific paper
The photo-meson production of pions by shock-accelerated protons could generate a burst of ~10^14 eV neutrinos from gamma-ray bursts (GRBs) observable in the Antarctic Muon and Neutrino Detector Array (AMANDA) or its larger successors. Measurement of this flux can test the hypothesis that GRBs are the sources of the highest-energy cosmic rays, and GRB neutrinos could permit high-precision experiments in neutrino limiting speed, neutrino oscillations, and the weak equivalence principle. Neutrino emission can be expected primarily during the prompt gamma-ray flash and satellite coincidence provides a well-defined window in position and time that can be searched for an excess of upgoing muon events in AMANDA from bursts in the Northern Hemisphere. Using an event quality analysis to further reduce background in a sample of 78 GRBs from the 1997 AMANDA-B10 data set, I find a fluence limit of (E_nu)^2 (dN_nu)/(dE_nu)<3.8*10^-4 min(1,E_nu/E_break) [TeV cm^-2] per average burst, which is orders of magnitude more stringent than in similar previous searches.
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