Axion Paradigm with Color-Mediated Neutrino Masses

Abstract

We propose a generalized Kim-Shifman-Vainshtein-Zakharov-type axion framework in which colored fermions and scalars act as two-loop Majorana neutrino-mass mediators. The global Peccei-Quinn symmetry under which exotic fermions are charged solves the strong CP problem. Within our general proposal, various setups can be distinguished by probing the axion-to-photon coupling at helioscopes and haloscopes. We also comment on axion dark-matter production in the early Universe.

18 LaTeX pages; 4 figures. Minor changes in main text, references added and supplemental material added. Matches version published in PRL

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Cited by in corpus (5)

• The symmetry approach to quark and lepton masses and mixing
• Dark matter as the source of neutrino mass: theory overview and experimental prospects
• Axion framework with color-mediated Dirac neutrino masses
• Flavored Peccei-Quinn symmetries in the minimal $\nu$DFSZ model
• One-loop proton decay from Peccei-Quinn symmetry