3 years ago

Axion mass prediction from minimal grand unification

Axion mass prediction from minimal grand unification
Luca Di Luzio, Andreas Ringwald, Carlos Tamarit
We propose a minimal realization of the Peccei-Quinn mechanism in a realistic SU(5) model, where the axion mass is directly connected to the grand unification scale. Accounting for constraints from proton decay, collider searches and gauge coupling unification, we predict the axion mass ${m}_{a}∈[4....
Open access
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