Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 95: Neutrinos: Myon-Rekonstruktion

T 95.3: Talk

Thursday, March 28, 2019, 16:35–16:50, H11

Studies on multi-muon track reconstruction with the JUNO liquid scintillator neutrino detector — •Axel Müller, Alexander Tietzsch, David Blum, Tobias Heinz, Tobias Sterr, Marc Breisch, and Tobias Lachenmaier for the JUNO collaboration — Physikalisches Institut, Universität Tübingen

The Jiangmen Underground Neutrino Observatory (JUNO) is a planned 20 kt liquid scintillator detector with the main goal to determine the neutrino mass hierarchy with neutrinos from nuclear power plants at 53 km baseline. With an expected muon rate of 3 per second, fast and reliable muon tracking is necessary to veto a partial volume along the track. Due to the large dimensions of the detector a fraction of the atmospheric muon events consists of two or more muons traversing the detector. These events cannot be reconstructed with conventional one-particle reconstruction algorithms. In order to reconstruct the tracks of these bundle events, a new approach is developed to expand and combine the single-muon reconstruction algorithms. A description of the reconstruction strategy, examples of its application and first results are presented in this talk.

This work is supported by the Deutsche Forschungsgemeinschaft.