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T: Fachverband Teilchenphysik

T 15: Neutrino astronomy 1

T 15.3: Talk

Monday, March 4, 2024, 16:30–16:45, Geb. 30.23: 6/1

Spectrum unfolding for Core-Collapse Supernova neutrinos in JUNO — •Thilo Birkenfeld, Achim Stahl, and Christopher Wiebusch — III. Physikalisches Institut B RWTH Aachen, Sommerfeldstraße 16, 52074 Aachen

Since the Supernova of 1987, no core-collapse supernova (CC-SN) has exploded close enough to be observed by terrestrial neutrino telescopes. The Jiangmen Underground Neutrino Observatory (JUNO) is a next-generation liquid scintillator detector with a large target mass of 20   kton. It will provide valuable insight into the details of the CC-SN mechanism by observing the neutrino burst of a galactic CC-SN with high statistics and an unpreceded visible energy resolution of 3   % @ 1   MeV. JUNO will be sensitive to signals from all neutrino flavors via different detection channels. We present a Bayesian-based energy spectrum unfolding for three effective neutrino flavors using an optimized event classification.

Keywords: JUNO; Supernova; Neutrino Energy Spectrum; Bayesian Unfolding