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A Low Nuclear Recoil Energy Threshold for Dark Matter Search with CRESST-III Detectors

The CRESST-III experiment (Cryogenic Rare Events Search with Superconducting Thermometers), located at the underground facility Laboratori Nazionali del Gran Sasso in Italy, uses scintillating CaWO 4 crystals as cryogenic calorimeters to search for direct dark matter interactions in detectors. A lar...

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Bibliographic Details
Published in:Journal of low temperature physics 2018-11, Vol.193 (3-4), p.441-448
Main Authors: Mancuso, M., Angloher, G., Bauer, P., Bento, A., Bucci, C., Canonica, L., D’Addabbo, A., Defay, X., Erb, A., von Feilitzsch, Franz, Ferreiro Iachellini, N., Gorla, P., Gütlein, A., Hauff, D., Jochum, J., Kiefer, M., Kluck, H., Kraus, H., Lanfranchi, J. C., Langenkämper, A., Loebell, J., Mondragon, E., Münster, A., Pagliarone, C., Petricca, F., Potzel, W., Pröbst, F., Puig, R., Reindl, F., Rothe, J., Schäffner, K., Schieck, J., Schipperges, V., Schönert, S., Seidel, W., Stahlberg, M., Stodolsky, L., Strandhagen, C., Strauss, R., Tanzke, A., Thi, H. H. Trinh, Türkoglu, C., Uffinger, M., Ulrich, A., Usherov, I., Wawoczny, S., Willers, M., Wüstrich, M.
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Language:English
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Summary:The CRESST-III experiment (Cryogenic Rare Events Search with Superconducting Thermometers), located at the underground facility Laboratori Nazionali del Gran Sasso in Italy, uses scintillating CaWO 4 crystals as cryogenic calorimeters to search for direct dark matter interactions in detectors. A large part of the parameter space for spin-independent scattering off nuclei remains untested for dark matter particles with masses below a few GeV/c 2 , despite many naturally motivated theoretical models for light dark matter particles. The CRESST-III detectors are designed to achieve the performance required to probe the low-mass region of the parameter space with a sensitivity never reached before. In this paper, new results on the performance and an overview of the CRESST-III detectors will be presented, emphasizing the results about the low-energy threshold for nuclear recoil of CRESST-III Phase 1 which started collecting data in August 2016.
ISSN:0022-2291
1573-7357
DOI:10.1007/s10909-018-1948-6