Dark Matter detection with the COSINUS experiment

Girola, M. (2023) Dark Matter detection with the COSINUS experiment. Il nuovo cimento C, 46 (4). pp. 1-4. ISSN 1826-9885

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Using a NaI target is essential to test the long-standing DAMA/LIBRA claim of the detection of a Dark Matter (DM) signal in a model independent way. COSINUS is developing the first cryogenic scintillating calorimeter based on a NaI absorber. This technique provides an event-by-event particle identification strategy based on a dual-channel readout (heat and light). An excellent energy resolution and a low threshold are essential for a direct detection DMexperiment. In this regard, Transition Edge Sensors (TESs) are an established technology that has already proven its potential in other leading cryogenic DM experiments (like CRESST-III). However, the hygroscopicity of NaI prevents the deposition of the TES sensor directly onto its surface, which would guarantee optimal thermal coupling. For this reason, COSINUS adopted an alternative design for the heat channel readout, called remoTES, which is currently in the R&D phase and has already shown promising results (in terms of energy threshold and resolution) when tested on various absorbers (Si, TeO2).

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 15 Feb 2024 10:37
Last Modified: 15 Feb 2024 10:37
URI: http://eprints.bice.rm.cnr.it/id/eprint/22692

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