Analysis of an extended scalar sector with $S_3$ symmetry

Abstract

We investigate the scalar potential of a general $S_3$-symmetric three-Higgs-doublet model. The outcome of our analysis does not depend on the fermionic sector of the model. We identify a decoupling limit for the scalar spectrum of this scenario. In view of the recent LHC Higgs data, we show our numerical results only in the decoupling limit. Unitarity and stability of the scalar potential demand that many new scalars must be lurking below 1 TeV. We provide numerical predictions for $h\to \gamma \gamma$ and $h\to Z\gamma$ signal strengths which can be used to falsify the theory.

One Eq. added, minor changes in figures and subsequent texts, version accepted in Phys. Rev. D, appendix included in the arXiv version

References in corpus (12)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• Lepton masses, mixings and FCNC in a minimal S_3-invariant extension of the Standard Model
• S_3 Symmetry and Neutrino Masses and Mixings
• The $S_3$ flavour symmetry: Neutrino masses and mixings
• Exotic Higgs boson decay modes as a harbinger of $S_3$ flavor symmetry
• Consequences of Approximate $S_3$ Symmetry of the Neutrino Mass Matrix
• Broken S3 Symmetry in the Neutrino Mass Matrix and Non-Zero theta_{13}
• Novel signatures of the Higgs sector from S3 flavor symmetry
• Broken $S_3$ Symmetry in Flavor Physics
• Quark/lepton mass and mixing in S_3 invariant model and CP-violation of neutrino
• Non-vanishing $U_{e3}$ under $S_3$ symmetry

Cited by in corpus (22)

• Symmetry breaking patterns in 3HDM
• Mitigating Direct Detection Bounds in Non-minimal Higgs Portal Scalar Dark Matter Models
• Multi-Higgs doublet models: physical parametrization, sum rules and unitarity bounds
• Nondecoupling of charged scalars in Higgs decay to two photons and symmetries of the scalar potential
• Constraints on Parameter Space from Perturbative Unitarity in Models with Three Scalar Doublets
• Prospects of light charged scalars in a three Higgs doublet model with $Z_3$ symmetry
• Quark mixing in an $S_3$ symmetric model with two Higgs doublets
• A Three Doublet Lepton-Specific Model
• Dual electroweak phase transition in the two-Higgs-doublet model with the $S_3$ discrete symmetry
• Systematic analysis of 3HDM symmetries
• Dark Matter and Collider Searches in $S_3$-Symmetric 2HDM with Vector Like Leptons
• Symmetries for the 4HDM. II. Extensions by rephasing groups
• Prospects of Indirect Detection for the Heavy S3 Dark Doublet
• Dark matter in a CP-violating three-Higgs-doublet model with $S_3$ symmetry
• A non-renormalizable neutrino mass model with ${\mathbf{S}}_3\otimes {\mathbf{Z}}_2$ symmetry
• Soft breaking of the $\mu \leftrightarrow \tau$ symmetry by ${\mathbf{S}}_4\otimes {\mathbf{Z}}_2$
• Dark matter in three-Higgs-doublet models with $S_3$ symmetry
• Theoretical and phenomenological consequences of active and sterile neutrino within Beyond Standard Model framework
• FIMP DM in the Extended Hyperchargeless Higgs Triplet Model
• A lepton model with nearly Cobimaximal mixing
• Scalar and gauge sectors in the 3-Higgs Doublet Model under the S3-symmetry
• Spontaneous CP breaking in $S_3$ flavored Higgs sector with soft-breaking terms