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Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 80: Neutrinophysik 6 (Szintillatorexperimente)

T 80.2: Gruppenbericht

Mittwoch, 29. März 2017, 17:05–17:25, H 2

Topological track reconstruction in unsegmented multi-kiloton liquid scintillator neutrino detectorsFelix Benckwitz1, Christoph Genster2, Caren Hagner1, Daniel Hartwig1, •Sebastian Lorenz3, David Meyhöfer1, Björn Opitz1, Henning Rebber1, Michaela Schever2, Hauke Schmidt1, Alexander Tietzsch4, Katharina Voss1, Björn Wonsak1, and Michael Wurm31Univ. Hamburg, Inst. für Experimentalphysik — 2Forschungszentrum Jülich, Inst. für Kernphysik — 3Johannes Gutenberg-Univ. Mainz, Inst. für Physik — 4Eberhard Karls Univ. Tübingen, Physikalisches Inst.

The precise reconstruction of charged particle tracks in unsegmented liquid scintillator (LSc) neutrino detectors, e.g., from muons, is an important prerequisite for the efficient rejection of cosmogenic background events or the analysis of multi-GeV neutrino interactions. Topological information on such events, i.e., the reconstructed 3D density distribution of isotropically emitted scintillation photons, opens up new ways to accomplish these tasks. Especially future multi-kiloton LSc detectors will profit from improved (muon) track reconstruction possibilities, both regarding their low- and high-energy neutrino physics programs. Connected to the international JUNO project in China, a topological track reconstruction method for unsegmented LSc detectors is developed in Germany. Its application to simulated muon events already showed that the particle’s differential energy loss dE/dx is accessible. This talk summarizes recent developments and the current status of the reconstruction method.

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