期刊
PHYSICS LETTERS B
卷 811, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.physletb.2020.135869
关键词
Dark matter; Direct detection; Nuclear capture; Photon emission
资金
- U.S. Department of Energy [DE-SC0009959, DE-SC0009919]
- U.S. Department of Energy (DOE) [DE-SC0009959] Funding Source: U.S. Department of Energy (DOE)
We propose a new strategy to search for a particular type of dark matter via nuclear capture. If the dark matter particle carries baryon number, as motivated by a class of theoretical explanations of the matter-antimatter asymmetry of the universe, it can mix with the neutron and be captured by an atomic nucleus. The resulting state de-excites by emitting a single photon or a cascade of photons with a total energy of up to several MeV. The exact value of this energy depends on the dark matter mass. We investigate the prospects for detecting dark matter capture signals in current and future neutrino and dark matter direct detection experiments. (C) 2020 The Author(s). Published by Elsevier B.V.
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