Eleven Year Search for Supernovae with the IceCube Neutrino Observatory
Robert Cross, Alexander Fritz, Spencer Griswold (for the IceCube, Collaboration)

TL;DR
This paper details a 11-year search for supernova neutrinos using IceCube, highlighting its ability to detect Galactic supernovae through low-noise photomultiplier data over a decade.
Contribution
It introduces methods for detecting supernova neutrinos with IceCube, including analysis tools for obscured or failed supernovae, based on extensive 11-year data.
Findings
No supernova neutrino signals detected during the period
Established sensitivity limits for Galactic supernova detection
Developed analysis techniques for obscured supernovae detection
Abstract
The IceCube Neutrino Observatory, which instruments 1km of clear ice at the geographic South Pole, was mainly designed to detect particles with energies in the multi-GeV to PeV range. Due to ice temperatures between C to C and the low radioactivity of the ice, the dark noise rates of the 5160 photomultiplier tubes forming the IceCube lattice are of order 500 Hz, which is particularly low for 10 inch photomultipliers. Therefore, IceCube can extend its searches to bursts of (10MeV) neutrinos lasting several seconds, which are expected to be produced by Galactic core collapse supernovae. By observing a uniform rise in all photomultiplier rates, IceCube can provide a particularly high statistical precision for the neutrino rate from supernovae in the inner part of our Galaxy ( 20 kpc). In this paper, the tools and the method to study…
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Neutrino Physics Research · Gamma-ray bursts and supernovae
