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The DAMIC-M Experiment: Status and First Results

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arxiv 2210.12070 v2 pith:YZTJSCQU submitted 2022-10-11 hep-ex astro-ph.IMnucl-exphysics.ins-det

The DAMIC-M Experiment: Status and First Results

classification hep-ex astro-ph.IMnucl-exphysics.ins-det
keywords ccdsdamic-mdarkexperimentmatterbackgrounddatafirst
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The DAMIC-M (DArk Matter In CCDs at Modane) experiment employs thick, fully depleted silicon charged-coupled devices (CCDs) to search for dark matter particles with a target exposure of 1 kg-year. A novel skipper readout implemented in the CCDs provides single electron resolution through multiple non-destructive measurements of the individual pixel charge, pushing the detection threshold to the eV-scale. DAMIC-M will advance by several orders of magnitude the exploration of the dark matter particle hypothesis, in particular of candidates pertaining to the so-called "hidden sector." A prototype, the Low Background Chamber (LBC), with 20g of low background Skipper CCDs, has been recently installed at Laboratoire Souterrain de Modane and is currently taking data. We will report the status of the DAMIC-M experiment and first results obtained with LBC commissioning data.

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