DOE OSTI · 2477432
The DAMIC-M Low Background Chamber
Abstract
The DArk Matter In CCDs at Modane (DAMIC-M) experiment isdesigned to search for light dark matter (m$_{χ}$ < 10 GeV/c$^{2}$)at the Laboratoire Souterrain de Modane (LSM) in France. DAMIC-Mwill use skipper charge-coupled devices (CCDs) as a kg-scale activedetector target. Its single-electron resolution will enable eV-scaleenergy thresholds and thus world-leading sensitivity to a range ofhidden sector dark matter candidates. A DAMIC-M prototype, the LowBackground Chamber (LBC), has been taking data at LSM since2022. The LBC provides a low-background environment, which has beenused to characterize skipper CCDs, study dark current, and measureradiopurity of materials planned for DAMIC-M. It also allows testingof various subsystems like readout electronics, data acquisitionsoftware, and slow control. This paper describes the technicaldesign and performance of the LBC.
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Arnquist, I., Avalos, N., Bailly, P., Baxter, D., Bertou, X., Bogdan, M., Bourgeois, C., Brandt, J., Cadiou, A., Castelló-Mor, N., Chavarria, A. E., Conde, M., Cuevas-Zepeda, J., Dastgheibi-Fard, A., De Dominicis, C., Deligny, O., Desani, R., Dhellot, M., Duarte-Campderros, J., Estrada, E., Florin, D., Gadola, N., Gaïor, R., Gkougkousis, E.-L., Sánchez, J. González, Hope, S., Hossbach, T., Huehn, M., Kallander, M., Kilminster, B., Iddir, L., Lantero-Barreda, A., Lawson, I., Lebbolo, H., Lee, S., Leray, P., Selvon, A. Letessier, Lin, H., Loaiza, P., Lopez-Virto, A., Martin, D., McGuire, K. J., Milleto, T., Mitra, P., Martin, D. Moya, Munagavalasa, S., Norcini, D., Overman, C., Paul, S., Peterson, D., Piers, A., Pochon, O., Privitera, P., Reynet, D., Roach, B. A., Robmann, P., Roehnelt, R., Settimo, M., Smee, S., Smida, R., Stillwell, B., Van Wechel, T., Traina, M., Vilar, R., Vollhardt, A., Warot, G., Wolf, D., Yajur, R., Zopounidis, J-P.. 2024-11-25. The DAMIC-M Low Background Chamber. https://doi.org/10.1088/1748-0221%2F19%2F11%2Ft11010
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