Dirac neutrinos from Peccei-Quinn symmetry: a fresh look at the axion
classification
✦ hep-ph
astro-ph.COhep-exhep-th
keywords
diracaxionneutrinoneutrinosconventionalcurrentlyeffectiveemerge
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We show that a very simple solution to the strong CP problem naturally leads to Dirac neutrinos. Small effective neutrino masses emerge from a type I Dirac seesaw mechanism. Neutrino mass limits probe the axion parameters in regions currently inaccessible to conventional searches.
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Cited by 1 Pith paper
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Dirac one-loop seesaw in a non-invertible fusion rule
A one-loop Dirac neutrino mass model stabilized by a non-invertible fusion rule from Z3 x Z3' accommodates oscillation data and provides a viable bosonic dark matter candidate.
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