Search for muon neutrinos from Gamma-Ray Bursts with the IceCube neutrino telescope
IceCube Collaboration: R. U. Abbasi, et al

TL;DR
This study searched for high-energy muon neutrinos from 41 gamma-ray bursts using IceCube's 22-string configuration, setting upper limits on neutrino fluence without detecting any significant signals.
Contribution
First to calculate individual neutrino spectra for each GRB based on satellite data, rather than assuming a standard flux model, and to perform a wide time window search.
Findings
No neutrino excess detected in any time window.
Set 90% CL upper limits on neutrino fluence for prompt and precursor phases.
Established constraints on neutrino emission models from GRBs.
Abstract
We present the results of searches for high-energy muon neutrinos from 41 gamma-ray bursts (GRBs) in the northern sky with the IceCube detector in its 22-string configuration active in 2007/2008. The searches cover both the prompt and a possible precursor emission as well as a model-independent, wide time window of -1 h to +3 h around each GRB. In contrast to previous searches with a large GRB population, we do not utilize a standard Waxman-Bahcall GRB flux for the prompt emission but calculate individual neutrino spectra for all 41 GRBs from the burst parameters measured by satellites. In none of the three time windows do we find a deviation from the background-only hypothesis. Therefore, we place 90% CL upper limits on the fluence from the prompt phase of 3.7x10^-3 erg cm^-2 (72 TeV - 6.5 PeV) and on the fluence from the precursor phase of 2.3x10^-3 erg cm^-2 (2.2 TeV - 55 TeV), where…
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