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T: Fachverband Teilchenphysik

T 86: Kalorimeter

T 86.10: Talk

Thursday, March 22, 2018, 18:50–19:05, Z6 - SR 2.002

Simulation and Hardware Studies on a Highly Granular Electromagnetic Calorimeter for the DUNE Near Detector — •Lorenz Emberger and Frank Simon — Max-Planck-Institut für Physik

The near detector of the Deep Underground Neutrino Experiment (DUNE) will play an important role in search for leptonic CP violation and other neutrino oscillation measurements, in addition to providing a rich physics program on its own. It will consist of different subdetectors, among them an electromagnetic calorimeter to reconstruct neutral pions, photons and electrons. A key aspect of the calorimeter performance will be its capability of locating the point of origin of neutral pions, to allow their association to neutrino interactions observed in the tracking elements of the near detector. We present a GEANT4 simulation study of an electromagnetic calorimeter inspired by the highly granular scintillator / SiPM based calorimeters of the CALICE collaboration, highlighting the benefits of granularity on neutral pion reconstruction and the influence of specific geometry choices for the detector. Results of ongoing laboratory studies of scintillator elements that may deliver the required granularity will also be presented.