Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 106: Experimental Techniques in Astroparticle Physics 4

T 106.6: Vortrag

Donnerstag, 24. März 2022, 17:30–17:45, T-H38

Reconstruction of simulated muons in a water basin with a multi-PMT optical module — •Francisco Javier Vara Carbonell, Martin Antonio Unland Elorrieta, Markus Dittmer, Lew Classen, and Alexander Kappes for the IceCube collaboration — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, Germany

The IceCube detector, currently the largest neutrino detector in the world, is scheduled to undergo two upgrades that will be accompanied by new and improved optical modules. These new modules include the LOM and the mDOM, which feature a larger number of PMTs in a pressure vessel. Compared to the old modules, they have a larger effective photosensitive area and nearly uniform angular coverage. In addition, the sensitive area is now fragmented, resulting in intrinsic directional sensitivity of each module. The zenith angle resolution of both types of modules for atmospheric muons in water was studied with Geant4 simulations, using machine learning for reconstruction.