Proposal for a definitive search for GUT-scale QCD axions

(DMRadio Collaboration)

Research output: Contribution to journalArticlepeer-review

Abstract

The QCD axion is a leading dark matter candidate that emerges as part of the solution to the strong CP problem in the Standard Model. The coupling of the axion to photons is the most common experimental probe, but much parameter space remains unexplored. The coupling of the QCD axion to the Standard Model scales linearly with the axion mass; therefore, the highly motivated region 0.4-120 neV, corresponding to a GUT-scale axion, is particularly difficult to reach. This paper presents the design requirements for a definitive search for GUT-scale axions and reviews the technological advances needed to enable this program.

Original languageEnglish (US)
Article number112003
JournalPhysical Review D
Volume106
Issue number11
DOIs
StatePublished - Dec 1 2022

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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