Abstract
The Peccei and Quinn axions are low-mass pseudo-scalar neutral bosons whose existence was proposed to explain for the spontaneous breaking of the CP invariance in the early Universe. In the minimal (SU(2) left ⊗ U(1)) version of the leptonic sector of the electroweak lagrangian flavor neutrinos are massive. They are described as linear combinations of neutrino mass eigenstates and they oscillates between flavor states. However the mass mechanism which gives their masses is still unknown. In this talk we discuss a possible mechanism to explain for non-zero neutrino masses, which is based on the treatment of neutrino-axion interactions.
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