MG13 - Talk detail

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Abstract

The IceCube Neutrino Observatory at South Pole Station, Antarctica, is the world's first cubic-kilometer neutrino detector. Construction was completed at the end of 2010, and data-taking with the full detector began May 2011. Prior to that, it was already possible to take data with the partially built detector. One of the early search programs has been to look for neutrinos arriving in coincidence with gamma-ray bursts. Such neutrinos would indicate the presence of protons accelerated in the jets, and are predicted in models that posit gamma-ray bursts as the sources of ultrahigh energy cosmic rays. I will describe the most recent analysis, based on data from 2008-10 when the detector was about half-completed. These data are sufficient for the first time to probe substantially below the initial predictions.

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