Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 69: Search for Dark Matter 3

T 69.5: Vortrag

Mittwoch, 6. März 2024, 17:00–17:15, Geb. 30.35: HSI

Development of a standardized analysis chain for the full COSINUS detector array — •Maximilian Gapp for the COSINUS collaboration — Max-Planck-Institut für Physik, Garching, Deutschland

The DAMA/LIBRA experiment located in the LNGS underground laboratory claims to detect an annual modulation in the rate of interactions in sodium iodide (NaI) crystals, which is consistent with the expected dark matter signal. The COSINUS (Cryogenic Observatory for SIgnals seen in Next-generation Underground Searches) experiment is designed to check the persistent results of the DAMA/LIBRA experiment through the use of cryogenic NaI calorimeters, by leveraging their low energy thresholds and introducing particle identification techniques through the use of an additional channel.To accomplish this, various prototypes for the detectors must be tested, which requires careful analysis of the raw data. By separating noise and real events, and removing artifacts by applying quality cuts a standard event and an optimum filter are created to enable reconstruction of the pulse height to subsequently calibrate the prototypes and determine their performance. Since the COSINUS experiment plans to operate 16 channels in the initial run and 48 in the next one the analysis process must be automated as much as possible. In this contribution, the analysis workflow to characterize new prototypes is shown and possible approaches for the automation are highlighted.

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