Anomaly-free Abelian gauge symmetries with Dirac seesaws

Abstract We perform a systematic analysis of Standard Model extensions with an additional anomaly-free gauge U(1) symmetry, to generate tree-level Dirac neutrino masses. An anomaly-free symmetry demands nontrivial conditions on the charges of the unavoidable new states. An intensive scan was perform...

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Bibliographic Details
Main Authors: Nicolás Bernal, Diego Restrepo
Format: Article
Language:English
Published: SpringerOpen 2021-12-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-021-09918-8