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Abstract: We report direct-detection constraints on light dark matter particles interacting with electrons. The results are based on a method that exploits the extremely low levels of leakage current of the DAMIC detector at SNOLAB of ?6×10?22?A cm ? 2. We evaluate the charge distribution of pixels that collect < 10 e ? for contributions beyond the leakage current that may be attributed to dark matter interactions. Constraints are placed on so-far unexplored parameter space for dark matter masses between 0.6 and 100 MeV c ? 2 . We also present new constraints on hidden-photon dark matter with masses in the range 1.2 ? 30 eV c ? 2.
Fuente: Physical Review Letters. Vol. 123 (2019). 181802
Publisher: American Physical Society
Year of publication: 2019
No. of pages: 6
Publication type: Article
DOI: https://doi.org/10.1103/PhysRevLett.123.181802
ISSN: 0031-9007,1079-7114
Publication Url: https://doi.org/10.1103/PhysRevLett.123.181802
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AGUILAR-AREVALO, A.
AMIDEI, D.
BAXTER, D.
CANCELO, G.
CERVANTES VERGARA, B. A.
CHAVARRIA, A. E.
DARRAGH-FORD, E.
MELLO NETO, J. R. T. DE
OLIVO, J. C. D.
ESTRADA, J.
GAÏOR, R.
GUARDINCERRI, Y.
HOSSBACH, T. W.
KILMINSTER, B.
LAWSON, I.
LEE, S. J.
LETESSIER-SELVON, A.
MATALON, A.
ROCIO VILAR CORTABITARTE
MARIA AMPARO LOPEZ VIRTO
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