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Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 78: Niederenergie-Neutrinophysik II

T 78.2: Talk

Wednesday, March 2, 2016, 17:00–17:15, VMP9 SR 07

New reconstruction method for liquid scintillator – First results for muon tracksCaren Hagner1, •Sebastian Lorenz1,2, Björn Wonsak1, and Michael Wurm21Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg — 2Johannes Gutenberg-Universität Mainz, Institut für Physik, Staudinger Weg 7, 55128 Mainz

An efficient veto-based rejection of muon-induced background is an important prerequisite for experiments in low-energy neutrino physics. For unsegmented liquid scintillator detectors, common tools in this field, this requires the precise reconstruction of muon tracks within the active volume based on the isotropically emitted scintillation photons.

A novel reconstruction technique for this challenging task, which could be employed in the future large-volume detector of JUNO, is in development. The method aims to reconstruct the 3D number density distribution of photon emissions, which reflects an event’s geometry and topology. Based on single muons simulated in the LENA detector, first results on the method’s performance are presented.

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