A Minimal Flavor Violating 2HDM at the LHC

Abstract

We explore the phenomenology of a two Higgs doublet model where both Higgs doublets couple to up-type and down-type fermions with couplings determined by the minimal flavor violation ansatz. This 2HDM "Type MFV" generalizes 2HDM Types I-IV, where the decay rates of h --> bb and h --> tau+tau- are governed by MFV couplings independent of the Higgs couplings to gauge bosons or the top quark. To determine the implications of the present Higgs data on the model, we have performed global fits to all relevant data. Several surprisingly large effects on the light Higgs phenomenology can arise: (1) The modified couplings of the Higgs to fermions can enhance the h --> gamma gamma rate significantly in both VBF production (up to a factor of 3 or more) and the inclusive rate (up to a factor of 1.5 or more). (2) In the 2HDM Type MFV, the constraints on a light charged Higgs are milder than in 2HDM Types I-IV. Thus, there can be substantial charged Higgs loop contribution to the di-photon rate, allowing further enhancements of the di-photon rates. (3) The h --> tau+tau- rate can be (highly) suppressed, independently of the other decay channels. Furthermore, we studied the correlation between the light Higgs and the heavy Higgs phenomenology. We showed that even small deviations from the decoupling limit would imply good prospects for the detection of the heavy Higgs boson. In some regions of parameter space, a substantial range of M_H is already either ruled out or on the edge of detection. Finally we investigated the possibility that the heavy Higgs is close in mass to the light Higgs, providing additional h/H --> bb rate, as well as confounding the extraction of properties of the Higgs bosons.

17 pages, 7 figures, 2 tables; v2: typos corrected, references added, version accepted for publication in PRD

References in corpus (17)

• 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
• Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
• Basis-independent methods for the two-Higgs-doublet model III: The CP-conserving limit, custodial symmetry, and the oblique parameters S, T, U
• Search for charged Higgs bosons decaying via H+ -> tau nu in top quark pair events using pp collision data at sqrt(s) = 7 TeV with the ATLAS detector
• Higgs Physics as a Window Beyond the MSSM (BMSSM)
• Search for the standard model Higgs boson decaying to a W pair in the fully leptonic final state in pp collisions at sqrt(s) = 7 TeV
• EDMs vs. CPV in B_{s,d} mixing in two Higgs doublet models with MFV
• Enhanced $h\to \gamma \gamma$ rate in MSSM singlet extensions
• Bounds on scalar masses in two Higgs doublet models
• Evidence for B- -> tau- nu_bar with a Semileptonic Tagging Method
• MSSM with Dimension-five Operators (MSSM_5)
• Search for the Standard Model Higgs boson in the H -> WW(*) -> l nu l nu decay mode with 4.7 /fb of ATLAS data at sqrt(s) = 7 TeV
• On theories of enhanced CP violation in B_s,d meson mixing
• Early Higgs Hints for Non-Minimal Supersymmetry
• The B -> Xs gamma Rate and CP Asymmetry within the Aligned Two-Higgs-Doublet Model
• The Higgs Decay Width in Multi-Scalar Doublet Models

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