Search for New Physics in Electronic Recoil Data from XENONnT

(XENON Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

We report on a blinded analysis of low-energy electronic recoil data from the first science run of the XENONnT dark matter experiment. Novel subsystems and the increased 5.9 ton liquid xenon target reduced the background in the (1, 30) keV search region to (15.8±1.3) events/(ton×year×keV), the lowest ever achieved in a dark matter detector and ∼5 times lower than in XENON1T. With an exposure of 1.16 ton-years, we observe no excess above background and set stringent new limits on solar axions, an enhanced neutrino magnetic moment, and bosonic dark matter.

Original languageEnglish (US)
Article number161805
JournalPhysical Review Letters
Volume129
Issue number16
DOIs
StatePublished - Oct 14 2022

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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