A three Higgs doublet model with symmetry-suppressed flavour changing neutral currents

Ant\'onio P. Morais; Dipankar Das; Ian Padilla-Gay; J. Pedro Rodrigues; P.M. Ferreira; Roman Pasechnik

A three Higgs doublet model with symmetry-suppressed flavour changing neutral currents

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arxiv 2106.06425 v3 pith:IIHSN3YO submitted 2021-06-11 hep-ph hep-ex

A three Higgs doublet model with symmetry-suppressed flavour changing neutral currents

Dipankar Das , P.M. Ferreira , Ant\'onio P. Morais , Ian Padilla-Gay , Roman Pasechnik , J. Pedro Rodrigues This is my paper

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We construct a three-Higgs doublet model with a flavour non-universal ${\rm U}(1)\times \mathbb{Z}_2$ symmetry. That symmetry induces suppressed flavour-changing interactions mediated by neutral scalars. New scalars with masses below the TeV scale can still successfully negotiate the constraints arising from flavour data. Such a model can thus encourage direct searches for extra Higgs bosons in the future collider experiments, and includes a non-trivial flavour structure.

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