Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 57: Neutrinophysik 5 (Reaktorneutrinos)

T 57.9: Vortrag

Dienstag, 28. März 2017, 18:50–19:05, VSH 07

Waveform reconstruction with the deconvolution method for JUNO — Livia Ludhova and •Michaela Schever — Forschungszentrum Jülich GmbH, Jülich, Germany

To determine the neutrino mass hierarchy by measuring reactor antineutrinos 53 km baseline, the JUNO 20 kton liquid-scintillator detector has to achieve an outstanding energy resolution of 3%/√E(MeV). One of the prerequisites of this challenge is the ability to reconstruct the charge and arrival times of individual photons detected by each single PMT. The talk presents the current status of the waveform analysis for MeV neutrino events in Germany. The study is based on the deconvolution method which unfolds the photo-electron hit pattern and the single photo-electron response employing transforms of the signal between the time and frequency domain. An additional aspect is the reconstruction of the first hit time of muons.