engleski

New TeV-scale Seesaw with Vectorlike Mediators

We propose TeV-scale Dirac fermions producing Majorana masses via dim 9 operator.For a limited range of the parameter space where M ≤ a few 100 GeV the proposed mechanism dominates over the loop induced dim 5 operator, and becomes testable at the LHC via characteristic decays of Dirac type heavy leptons, produced by a Drell-Yan fusion.

neutrino mass; seesaw; exotic fermions

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