Supernova relic neutrino sensitivity study with 2nd Hyper-Kamiokande detector in Korea
August 02, 2019
Neutrino has become a new window to our universe since the observation of neutrinos from the Sun and SN1987A. Hyper-Kamiokande (Hyper-K) is a next-generation neutrino telescope with excellent capabilities in particle physics. It consists of two identical water Cherenkov detectors (2 x 260 kton) with 40 % photo coverage. With about 10 times larger fiducial volume per detector than Super-Kamiokande(SK), sensitivities for the supernova burst and the supernova relic neutrino(SRN) searches will be greatly improved in Hyper-K.
Locating the 2nd detector in Korea will enhance the sensitivity of SRN search thanks to less muon flux and spallation background in deeper (~1km) Korean candidate sites. In this talk, we will present our sensitivity study on SRN search for several candidate sites in Korea and the various theoretical SRN flux models.
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