Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 32: Methods in astroparticle physics 2

T 32.5: Talk

Tuesday, March 5, 2024, 17:00–17:15, Geb. 20.30: 2.067

Development of a spatial resolving scintillator readout system - "MIP-Cube" — •Philippe Bruder, Ralph Engel, Andreas Haungs, and Thomas Huber — Karlsruhe In- stitute of Technology, Institute for Experimental Physics, Karlsruhe, Germany

High-energy muons from extensive air-showers, originated in the interaction between cosmic rays and the Earth*s atmosphere, can propagate to Earth or even into low-noise facilities, like underground research laboratories and contribute to the noise level of experiments. By measuring the flux and spatial distribution of these muons, systematic background effects can be studied. For this purpose, a monitoring system based on a net of crossed 25 cm long and 5 cm wide plasticscintillator bars is developed. The scintillator system presented here is readout by Hamamatsu 64-channel Silicon Photomultiplier (SiPM) arrays. The used fermilab scintillator bars and kururay fibers are based on detectors developed for the surface of the IceCube Neutrino Observatory and Auger Prime scintillator-based surface detector (SSD). The baseline design shows a mobile detector system, with an adequate power supply and signal where focus is given on a plug-and-play setup for variable measuring locations. The CAEN Co. Ltd Front-End unit DT5202 as SiPM array readout and trigger electronic is choosen. The DT5202 unit, in conjunction with a specifically crafted Python software, functions as a Data Acquisition System (DAQ). Through this combination, it is possible to reconstruct the direction of an incoming muon, and additionally, a heatmap of individual pixels is generated.