Making Neutrinos Massive with an Axion in Supersymmetry
Ernest Ma
Abstract
The minimal supersymmetric standard model (MSSM) of particle interactions is extended to include three singlet (right-handed) neutrino superfields together with three other singlet superfields. The resulting theory is assumed to be invariant under an anomalous global U(1) (Peccei-Quinn) symmetry with one fundamental mass m2. The soft breaking of supersymmetry at the TeV scale is shown to generate an axion scale fa of order m2. Neutrino masses are generated by fa according to the usual seesaw mechanism.
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