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T: Fachverband Teilchenphysik
T 82: Neutrino Astronomy IV
T 82.5: Vortrag
Donnerstag, 19. März 2026, 17:15–17:30, KS H C
Studying the Diffuse Supernova Neutrino Background with JUNO — •Tim Charissé1,2, George Parker2, David Maksimović2, Marcel Büchner2, Oliver Pilarczyk2, Arshak Jafar2, Manuel Böhles2, Daniela Fetzer2, Elena Winiker2, and Michael Wurm2 — 1Helmholtzzentrum für Schwerionenforschung, Planckstrasse 1, D-64291 Darmstadt, Germany — 2Johannes Gutenberg-Universität Mainz, Institute of Physics and EC PRISMA+
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kton liquid scintillator detector situated in Southern China that started data taking in August 2025. Its large fiducial volume together with low radiopurity and high photocoverage results in excellent energy resolution. While JUNOs main physics goal is the determination of the neutrino mass ordering and precision measurement of neutrino oscillation parameters, it is also able to detect core-collapse Supernova (CCSN) neutrinos. Apart from directly observing these neutrinos in the rare event of a close-by CCSNe, JUNO also aims to measure the so-called Diffuse Supernova Neutrino Background (DSNB). This predicted isotropic flux consisting of remnant neutrinos from all CCSNe that happened in the visible universe is yet to be observed. Its measurement will offer insides into CSSNe, Astrophysics and Cosmology. Current efforts towards a detection of the DSNB with JUNO will be presented in this talk.
Keywords: DSNB; JUNO; CCSNe