Flavourful axion and the Peccei-Quinn symmetry
DOI:
https://doi.org/10.31349/SuplRevMexFis.3.020726Keywords:
Peccei-Quinn, Froggatt-Nielsen, axion, axiflavon, flavourful axionAbstract
A model is presented, where the Froggatt-Nielsen and Peccei-Quinn symmetries are identified. This provides a solution to the strong CP problem and an explanation to the fermion mass hierarchy. At leading order, the quark mass matrix possess a Nearest-Neighbour-Interaction structure, while the neutrino mass matrix has a Majorana A2 texture. From a thorough numerical analysis the viability of this model is asserted, by comparing against current measurements. The data obtained from this analysis is then used to study properties from the axion.
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