Münster 2017 – scientific programme
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T: Fachverband Teilchenphysik
T 80: Neutrinophysik 6 (Szintillatorexperimente)
T 80.9: Talk
Wednesday, March 29, 2017, 18:55–19:10, H 2
Vertex reconstruction in unsegmented liquid scintillator detectors — Caren Hagner1, Sebastian Lorenz2, •David Meyhöfer1, Henning Rebber1, and Björn Wonsak1 — 1Univ. Hamburg, Inst. für Ex- perimentalphysik — 2Forschungszentrum Jülich, Inst. für Kernphysik
Large unsegmented liquid scintillator detectors play a key role in modern neutrino physics. Event start time and position are essential parameters for the MeV energy range and usually are determined with a vertex reconstruction. On the other hand, for events in the GeV range, vertex reconstructions have been neglected. But in the case of more sophisticate high energy track reconstructions a vertex determination can provide important initial parameters.
In this talk a vertex reconstruction applicable for MeV events and GeV events will be introduced. It was developed for the LENA detector, but can be used with any unsegmented liquid scintillator detector and no prior knowledge of the event is needed. The basic idea of this vertex reconstruction and preliminary results will be discussed.