Dark Matter Search Results from DAMIC

Journal of Physics Conference Series(2020)

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摘要
We present the current status of DAMIC at SNOLAB: a search for low-mass dark matter (DM) particles with low-noise CCDs. A 40 g 7-CCD array started operation in February 2017 and DM search data was acquired throughout 2017-2019. We summarize recent results on the search for few-e(-) ionization signals induced by electronic recoils from the scattering of DM particles with masses, similar to MeV c(-2) or the absorption of hidden photons with masses 1-10 eV c(-2). We report on the status of the search for ionization signals greater than 15 e(-) from recoiling silicon nuclei following the scattering of DM particles with masses r similar to GeV c(-2).
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