Publication: Search for Dark Matter Particle Interactions with Electron Final States with DarkSide-50
Дата
2023
Авторы
Agnes, P.
Albuquerque, IFM.
Alexander, T.
Alton, A. K.
Grobov, A.
Machulin, I. N.
Nozdrina, A. O.
Skorokhvatov, M. D.
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We present a search for dark matter particles with sub-GeV/c2 masses whose interactions have final state electrons using the DarkSide-50 experiment's (12 306 1 184) kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we exclude new parameter space for the dark matter-electron cross section sigma over bar e, the axioelectric coupling constant gAe, and the dark photon kinetic mixing parameter kappa. We also set the first dark matter direct-detection constraints on the mixing angle IUe412 for keV/c2 sterile neutrinos.
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Search for Dark Matter Particle Interactions with Electron Final States with DarkSide-50 / Agnes, P [et al.] // PHYSICAL REVIEW LETTERS. - 2023. - 130. - № 10. - 10.1103/PhysRevLett.130.101002