Search for Dark-Matter-Nucleon Interactions with a Dark Mediator in PandaX-4T

PandaX Collaboration

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

We report results of a search for dark-matter-nucleon interactions via a dark mediator using optimized low-energy data from the PandaX-4T liquid xenon experiment. With the ionization-signal-only data and utilizing the Migdal effect, we set the most stringent limits on the cross section for dark matter masses ranging from 30 MeV/c2 to 2 GeV/c2. Under the assumption that the dark mediator is a dark photon that decays into scalar dark matter pairs in the early Universe, we rule out significant parameter space of such thermal relic dark-matter model.

Original languageEnglish (US)
Article number191002
JournalPhysical review letters
Volume131
Issue number19
DOIs
StatePublished - Nov 10 2023
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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