A precision constraint on multi-Higgs-doublet models

Abstract

We derive a general expression for Delta rho (or, equivalently, for the oblique parameter T) in the SU(2) x U(1) electroweak model with an arbitrary number of scalar SU(2) doublets, with hypercharge +-1/2, and an arbitrary number of scalar SU(2) singlets. The experimental bound on Delta rho constitutes a strong constraint on the masses and mixings of the scalar particles in that model.

19 pages, 2 figures, part of the introduction rewritten, small changes in the bibliography, one reference added

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• Three-Loop Electroweak Correction to the Rho Parameter in the Large Higgs Mass Limit
• Large 2HDM(II) one-loop corrections in leptonic tau decays
• Soft lepton-flavor violation in a multi-Higgs-doublet seesaw model
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• Models of flavour with discrete symmetries

Cited by in corpus (196)

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• Gauged L_mu - L_tau Symmetry at the Electroweak Scale
• Strong First Order Electroweak Phase Transition in the CP-Conserving 2HDM Revisited
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• A strong electroweak phase transition in the 2HDM after LHC8
• Delta r and the W-boson mass in the Singlet Extension of the Standard Model
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• The Hubble tension and a renormalizable model of gauged neutrino self-interactions
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• Search for a 'stable alignment limit' in two Higgs-doublet models
• Constraining Flavour Symmetries At The EW Scale I: The A4 Higgs Potential
• Scalar sector properties of two-Higgs-doublet models with a global U(1) symmetry
• Natural Multi-Higgs Model with Dark Matter and CP Violation
• Multi-Higgs doublet models: physical parametrization, sum rules and unitarity bounds
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• Two-Higgs-Doublet Model with Soft CP-violation Confronting Electric Dipole Moments and Colliders
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• Confronting Flavour Symmetries and extended Scalar Sectors with Lepton Flavour Violation Bounds
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• Exploring the CP-Violating Inert-Doublet Model
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• Anatomy of Vector-Like Bottom-Quark Models in the Alignment Limit of the 2-Higgs Doublet Model Type-II
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• Naturalness Implications within the Two-Real-Scalar-Singlet beyond the SM
• TeV-scale seesaw mechanism catalyzed by the electron mass
• Search for neutral Higgs bosons within Type-I 2HDM at future linear colliders
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• LSND and MiniBooNE as guideposts to understanding the muon $g-2$ results and the CDF II $W$ mass measurement
• Stability and symmetry breaking in a three Higgs-boson doublet model with lepton family symmetry O(2)xZ2
• Two-body lepton-flavour-violating decays in a 2HDM with soft family-lepton-number breaking
• Muon Electric Dipole Moment as a Probe of Flavor-Diagonal CP Violation
• Multi-photon production in the Type-I 2HDM
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• Restricting the parameter space of Type-II Two Higgs Doublet Models with CP violation
• High Scale Validity of the DFSZ Axion Model with Precision
• A Large Muon EDM from Dark Matter
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• Search for charged Higgs bosons through vector-like top quark pair production at the LHC
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• On the terms violating the custodial symmetry in multi-Higgs-doublet models
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• Capability of future linear colliders to discover heavy neutral CP-even and CP-odd Higgs bosons within Type-I 2HDM
• Reconciling Higgs physics and pseudo-Nambu-Goldstone dark matter in the S2HDM using a genetic algorithm
• Prospects for 2HDM charged Higgs searches
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• Phenomenological aspects of the fermion and scalar sectors of a $S_4$ flavored 3-3-1 model
• Charged-lepton decays from soft flavour violation
• Dark matter in a CP-violating three-Higgs-doublet model with $S_3$ symmetry
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