Göttingen 2025 – scientific programme

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T: Fachverband Teilchenphysik

T 36: Methods in Astroparticle Physics II

T 36.3: Talk

Tuesday, April 1, 2025, 16:45–17:00, VG 3.101

Local coincidences in the Multi-PMT Digital Optical Module for IceCube Upgrade — •Anna-Sophia Tenbruck and Alexander Kappes for the IceCube collaboration — Universität Münster, Institut für Kernphysik

The IceCube Neutrino Observatory will undergo an upgrade during the Antarctic summer of 2025/26 that will significantly improve its sensitivity. Among the newly introduced components is the Multi-PMT Digital Optical Module (mDOM), a detector module equipped with multiple photomultipliers (PMTs) that enables the detection of local coincidences. This capability is particularly useful for applications such as noise suppression. In a comprehensive study conducted as part of a master's thesis, the multiplicity rate of an mDOM was measured in both air and water and compared to a Geant4 toolkit simulation. This presentation will discuss the results, focusing on the comparison between measurements and simulations.

Keywords: IceCube Upgrade; Multi-PMT Digital Optical Module (mDOM); Local coincidence; Measurement/Simulation