Kavli Affiliate: Shunsaku Horiuchi
| First 5 Authors: Sean Heston, Emily Kehoe, Yudai Suwa, Shunsaku Horiuchi,
| Summary:
Neutrinos allow the probing of stellar interiors during core collapse,
helping to understand the different stages and processes in the collapse. To
date, supernova neutrinos have only been detected from a single event, SN1987A.
Most studies from then on have focused on two distance extremes; Galactic/local
supernovae and all past cosmic supernovae forming the diffuse supernova
neutrino background. We focus on the intermediate distance regime as a target
for detecting core-collapse supernova neutrinos at next generation detectors
like Hyper-Kamiokande. To quantify the significance of neutrino detections, we
draw on expected discoveries by surveys of near galaxies as well as large
synoptic surveys to monitor for optical counterparts of core-collapse
supernovae. We find that detection prospects require approximately ten years of
operation. We discuss how the ability of electromagnetic surveys to pinpoint
the time of core collapse to within the timescale of hours is key for confident
neutrino detections. Transient surveys like DLT40 which frequently observe
nearby galaxies can help with such crucial information.
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