arxiv: 1101.1448 · v2 · submitted 2011-01-07 · 🌌 astro-ph.HE · hep-ex
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Limits on Neutrino Emission from Gamma-Ray Bursts with the 40 String IceCube Detector
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IceCube has become the first neutrino telescope with a sensitivity below the TeV neutrino flux predicted from gamma-ray bursts if GRBs 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 $p \gamma$-interactions in the prompt phase of the GRB 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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