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Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 3: Accelerator neutrino experiments

T 3.4: Talk

Monday, March 15, 2021, 16:45–17:00, Tc

Scintillator material studies to reconstruct neutrons at the ECAL of DUNE Near Detector — •Asma Hadef, Antoine Laudrain, Volker Büscher, Lucia Masetti, and Sebastian Ritter — Johannes Gutenberg Universität, Mainz, Germany

The Deep Underground Neutrino Experiment (DUNE) seeks to revolutionize our understanding of neutrinos and their role in the universe. The DUNE near detector (ND) is located near the neutrino source and is a crucial part of a precision measurement of the CP violating phase. It needs to measure neutrino interactions with high detection efficiency, superior identification of charged and neutral particles and precise energy reconstruction. The electromagnetic calorimeter (ECAL) of the ND should be in particular sensitive to neutrons with energies of hundreds of MeV that interact inside the plastic scintillator or nearby. By precisely measuring the time and position of a neutron-induced hit, it is possible to determine the neutron kinetic energy via time of flight. In this talk, an experimental setup to study the scintillator material to identify neutron interaction with respect to the background by using pulse shape discrimination (PSD) with plastic scintillators and silicon photomultipliers (SiPMs) will be presented.

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