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T: Fachverband Teilchenphysik

T 45: Search for Dark Matter 2

T 45.8: Vortrag

Dienstag, 5. März 2024, 17:45–18:00, Geb. 30.35: HSI

Illuminating the Invisible: Deep underground dark matter search with COSINUS — •Mukund Raghunath Bharadwaj for the COSINUS collaboration — Max Planck Institute for Physics

The COSINUS experiment (Cryogenic Observatory for SIgnatures seen in Next generation Underground Searches) is a cryogenic, low-background experiment being set up at Laboratori Nazionali del Gran Sasso, Italy. It aims to provide a model independent cross-check of the DAMA/LIBRA findings of a potential dark matter-like modulation signal. COSINUS utilizes a two-channel readout system based on transition edge sensors (TESs) that allows for particle discrimination. It consists of ultrapure scintillating sodium iodide (NaI) crystals read out using a novel remoTES scheme to measure the phonon signal of a particle interaction. A silicon beaker surrounding the crystal is used to measure the light signal from the same particle interaction. Results from the latest prototypes and updates on the setup will be presented in this contribution.

Keywords: WIMPS; DAMA/LIBRA; Direct dark matter searches