A Model of Universality Violation Revisited
Abstract
The possibility that the interactions of the third generation of quarks and leptons may violate universality by a small amount remains an open experimental question. The model of Li and Ma, which naturally accommodates such violations, is found to be highly constrained by newly obtained, high precision electroweak and τ-lepton data once full Standard Model radiative corrections are incorporated into the analysis. A comparison of the predictions of this model with existing data and the expectations for future colliders is presented.
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