Karlsruhe 2024 – scientific programme

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T: Fachverband Teilchenphysik

T 98: Search for Dark Matter 4

T 98.4: Talk

Thursday, March 7, 2024, 16:45–17:00, Geb. 30.35: HSI

Muon Shielding Simulations for an Above Ground Cryostat — •Maximilian Hughes for the COSINUS collaboration — Max Plank Institute for Physics, Munich, Germany

Cryogenic detectors are highly susceptible to pile-up due to their long signals. Reducing signals from backgrounds, such as muons, can be done by running detectors in underground labs, but space in underground cryostats is limited and in high demand. Detector performance in above ground cryostats can be improved with radiation shielding. Different configurations of shielding for the COSINUS group's above ground cryostat at the Max Plank Institute for Physics (MPP) has been investigated with GEANT4 simulations. The addition of a muon veto made out of plastic scintillator has also been simulated. Using the results of the simulation, the optimal shielding configuration will be designed and built.

Keywords: Simulations; Quantum sensors; Radiation shielding; Cryostats