Searching for High Energy Muon Neutrinos from Gamma-Ray Bursts with AMANDA

Physics

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Scientific paper

The discovery of neutrinos from GRBs would confirm acceleration of cosmic rays in the GRB fireball and herald a new era of neutrino-based astronomy. The Antarctic Muon and Neutrino Detector Array (AMANDA) is a neutrino telescope with a PeV muon effective area ˜ 50, 000 m2 . AMANDA data sets spanning 1997-2000 were examined for high-energy neutrinos that were spatially and temporally coincident with 317 triggered GRBs, detected by the Burst and Transient Source experiment (BATSE) on NASA's Compton Gamma-Ray Observatory (CGRO) satellite, and 153 non-triggered GRBs, obtained by searching the BATSE archived data. Our preliminary results are consistent with no GRB neutrino signal. We derive a four year combined neutrino event upper limit of 1.45 for the 317 BATSE triggered bursts. The determination of systematic uncertainties is still in progress. Future and ongoing GRB search methods are also discussed.

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