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K. Kuehn (UC, Irvine), AMANDA Collaboration
The Antarctic Muon and Neutrino Detector Array (AMANDA), consisting of nearly 680 optical modules placed within the South Polar ice cap, is one of the first functioning neutrino telescopes. Having recently proven its capability for detecting neutrino-induced muons despite a large background (Andres et al., Nature, 410, 441-443, 2001), the detector is now searching for both diffuse and point sources of astrophysical neutrinos. Among the most intriguing sources of astrophysical neutrinos are Gamma-Ray Bursts, and the potential for detection of these events is quite promising. Some theoretical models predict a detectable flux of several neutrinos per year, while others predict virtually no detectable flux whatsoever. Detection (and even non-detection) of neutrinos from these sources would place constraints on (or wholly eliminate) several of these models.
The current status of the AMANDA search for GRB neutrinos will be discussed, with particular focus on data taken since the instrumented volume of the detector was expanded in 2000. Neutrino flux limits based upon several years of data will be presented, along with the future detection potential of AMANDA and its proposed upgrade to a cubic-kilometer instrument.
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Bulletin of the American Astronomical Society, 34, #4
© 2002. The American Astronomical Soceity.