Search for Dark Matter Particle Interactions with Electron Final States with DarkSide-50

(DarkSide Collaboration)

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

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±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 σ¯e, the axioelectric coupling constant gAe, and the dark photon kinetic mixing parameter κ. We also set the first dark matter direct-detection constraints on the mixing angle |Ue4|2 for keV/c2 sterile neutrinos.

Original languageEnglish (US)
Article number101002
JournalPhysical review letters
Volume130
Issue number10
DOIs
StatePublished - Mar 10 2023
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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