Michael Wurm - How to detect the Diffuse Supernova Neutrino Background
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Europe/Berlin
SR 5 (Villa)
SR 5 (Villa)
Description
All core-collapse Supernovae throughout the Universe contribute to a very faint flux of low-energy neutrinos. Up to now, this Diffuse Supernova Neutrino Background (DSNB) has eluded detection in large-scale neutrino experiments. However, a first observation within the next decade seems more than probable: both gadolinium-doped Super-Kamiokande and the upcoming JUNO experiments feature excellent sensitivity to the antineutrino component of the DSNB, potentially yielding information on the cosmic Supernova (SN) rate, fraction of failed SNe and average SN neutrino spectrum.
The talk will outline the expected signal of the DSNB and how a prediction can be derived from astronomical observation and core-collapse simulations. We will review the current DSNB flux limits and motivate why the improved detection capabilities of SK-Gd and JUNO open the door to a discovery of the DSNB signal. We’ll close with the long-term prospects for a DSNB precision era in future large-scale neutrino observatories.
