Lepton Flavor Violating Muon Decays in a Model of Electroweak-Scale Right-Handed Neutrinos

Understand

The small neutrino mass observed in neutrino oscillations is nicely explained by the seesaw mechanism.

• Rich phenomenology is generally expected if the heavy neutrinos are not much heavier than the electroweak scale.
• A model with this feature built in has been suggested recently by Hung.
• The model keeps the standard gauge group but introduces chirality-flipped partners for the fermions.