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Limits on neutrino emission from gamma-ray bursts with the 40 string IceCube detector
R Abbasi1, Y Abdou, T Abu-Zayyad
1Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA.
Abstract:
IceCube has become the first neutrino telescope with a sensitivity below the TeV neutrino flux predicted from gamma-ray bursts if gamma-ray bursts are responsible for the observed cosmic-ray flux above 10(18) eV. Two separate analyses using the half-complete IceCube detector, one a dedicated search for neutrinos from pγ interactions in the prompt phase of the gamma-ray burst fireball and the other a generic search for any neutrino emission from these sources over a wide range of energies and emission times, produced no evidence for neutrino emission, excluding prevailing models at 90% confidence.
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