Ultra-Transparent Antarctic Ice as a Supernova Detector
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We have simulated the response of a high energy neutrino telescope in deep Antarctic ice to the stream of low energy neutrinos produced by a supernova. The passage of a large flux of MeV-energy neutrinos during a period of seconds will be detected as an excess of single counting rates in all individual optical modules. We update here a previous estimate of the performance of such an instrument taking into account the recent discovery of absorption lengths of several hundred meters for near-UV photons in natural deep ice. The existing AMANDA detector can, even by the most conservative estimates, act as a galactic supernova watch.
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Parameterizing the Standing Accretion Shock Instability for Inference with Galactic Supernova Neutrino Signals at IceCube
A parametrization of SASI is introduced that allows IceCube to identify the instability epoch and reconstruct its frequency, peak time, amplitude, and duration from Galactic supernova neutrino signals at sub-percent t...
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