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The low-energy spectrum in DAMIC at SNOLAB

Alvaro E. Chavarria

SciPost Phys. Proc. 12, 011 (2023) · published 3 July 2023

Proceedings event

14th International Conference on Identification of Dark Matter


The DAMIC experiment employs large-area, thick charge-coupled devices (CCDs) to search for the interactions of low-mass dark matter particles in the galactic halo with silicon atoms in the CCD target. From 2017 to 2019, DAMIC collected data with a seven-CCD array (40-gram target) installed in the SNOLAB underground laboratory. We report dark-matter search results, including a conspicuous excess of events above the background model below 200$V_{ee}$, whose origin remains unknown. We present details of the published spectral analysis, and update on the deployment of skipper CCDs to perform a more precise measurement by early 2023.

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