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Search for low mass WIMP dark matter with DarkSide-50

Masato Kimura on behalf of DarkSide-50 Collaboration

SciPost Phys. Proc. 12, 022 (2023) · published 3 July 2023

Proceedings event

14th International Conference on Identification of Dark Matter


DarkSide-50 is a direct dark matter detection experiment at Laboratori Nazionali del Gran Sasso that uses argon as the target material. Exploiting the ionization signal from a dual-phase time projection chamber filled with low-radioactivity argon, it has set the most stringent exclusion limit on WIMPs with a mass of few $\mathrm{GeV}/c^2$. A new analysis has recently been carried out with a larger exposure, profiting from an improved understanding of the detector response and background model. An improvement of about a factor 10 in sensitivity is expected for a WIMP mass of 2 GeV/c$^2$.

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