Natural Dirac Neutrinos from Warped Extra Dimension
Jackson M. S. Wu

TL;DR
This paper proposes a model where Dirac neutrinos are generated via gauged discrete symmetry in a Randall-Sundrum framework, naturally reproducing lepton masses and mixing, including a nonzero θ13, with testable predictions at the LHC.
Contribution
It introduces a minimal custodial Randall-Sundrum model implementing Dirac neutrinos through gauged discrete symmetry, aligning with experimental constraints and predicting observable Kaluza-Klein neutrinos.
Findings
Reproduces lepton masses and mixing patterns naturally.
Predicts sub-TeV right-handed Kaluza-Klein neutrinos.
Includes a nonzero neutrino mixing angle θ13.
Abstract
Dirac neutrinos arising from gauged discrete symmetry \`a la Krauss-Wilczek are implemented in the minimal custodial Randall-Sundrum model. In the case of a normal hierarchy, all lepton masses and mixing pattern can be naturally reproduced at the TeV scale set by the electroweak constraints, while simultanously satisfy bounds from lepton flavour violation. A nonzero neutrino mixing angle, , is generic in the scenario, as well as the existence of sub-TeV right-handed Kaluza-Klein neutrinos, which may be searched for at the LHC.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Cosmology and Gravitation Theories
