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The QCD axion and unification

AuthorsPérez, P.F.; Murgui, Clara; Plascencia, A.D.
KeywordsBeyond Standard Model
Cosmology of Theories beyond the SM
Issue DateNov-2019
PublisherInstitute of Physics Publishing
CitationJournal of High Energy Physics 2019, 11: 093 (2019)
AbstractThe QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a simple renormalizable grand unified theory where the Peccei-Quinn scale is determined by the unification scale. In this framework, the axion mass is predicted to be in the range ma ≃ (3–13) × 10 eV. We study the axion phenomenology and find that the ABRACADABRA and CASPEr-Electric experiments will be able to fully probe this mass window.
Publisher version (URL)http://dx.doi.org/10.1007/JHEP11(2019)093
Identifiersdoi: 10.1007/JHEP11(2019)093
issn: 1029-8479
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