Single Neutral Heavy Lepton Production at e + e − and μ + μ − Colliders


Many extensions of the Standard Model include extra fermions. We here consider a model containing Dirac neutral heavy leptons in addition to massless neutrinos. These neutral heavy leptons can be produced singly along with a massless neutrino in e + e − and µ + µ − collisions. The production rates depend on the neutral heavy lepton masses and mixing… (More)

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