The analysis of cryogenic detector data is known to be challenging for any experiment. The main difficulty resides in the background rejection since they suffer from the presence of several different pulse shapes which need to be discriminated down to very low signal-to-noise ratio. Background reduction is particularly important for the NUCLEUS experiment whose aim is to produce ultra-low threshold ( around 20 eV) cryogenic detectors to measure coherent elastic neutrino-nucleus scattering at the Chooz nuclear power plant. The low threshold is necessary due to the low nuclear recoil signal produced which is below 1 keV. In this poster the data analysis procedure performed for the NUCLEUS experiment with the DIANA analysis framework is presented along with several software upgrades implemented.
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Castello et al. (2024) studied this question.
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