Next-to-leading order corrections to decays of the heavier CP-even Higgs boson in the two Higgs doublet model

Abstract

We investigate the impact of electroweak (EW), scalar and QCD corrections to the full set of decay branching ratios of an additional CP-even Higgs boson ($H$) in the two Higgs doublet model with a softly broken $Z_2$ symmetry. We employ the improved gauge independent on-shell scheme in the renormalized vertices. We particularly focus on the scenario near the alignment limit in which couplings of the discovered 125 GeV Higgs boson ($h$) coincide with those of the standard model while the $Hhh$ coupling vanishes at tree level. The renormalized decay rate for $H\to hh$ can significantly be changed from the prediction at tree level due to non-decoupling loop effects of additional Higgs bosons, even in the near alignment case. We find that the radiative corrections to the branching ratio of $H\to hh$ can be a few ten percent level in the case with the masses of additional Higgs bosons being degenerate under the constraints of perturbative unitarity, vacuum stability and the EW precision data. Further sizable corrections can be obtained for the case with a mass difference among the additional Higgs bosons.

arXiv comment36 pages, 6 figures

References in corpus (61)

• 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
• The CP-conserving two-Higgs-doublet model: the approach to the decoupling limit
• Combined measurements of Higgs boson production and decay using up to $80$ fb${}^{-1}$ of proton-proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment
• Note on tree-level unitarity in the General Two Higgs Doublet Model
• The Electroweak Fit of the Standard Model after the Discovery of a New Boson at the LHC
• Lee-Quigg-Thacker Bounds for Higgs Boson Masses in a Two-Doublet Model
• Update of the global electroweak fit and constraints on two-Higgs-doublet models
• First-Order Electroweak Phase Transition in the Standard Model with a Low Cutoff
• Weak Radiative Decays of the B Meson and Bounds on $M_{H^{\pm }}$ in the Two-Higgs-Doublet Model
• Higgs coupling constants as a probe of new physics
• Search for heavy Higgs bosons decaying into two tau leptons with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV
• Vacuum Stability Bounds in the Two-Higgs Doublet Model
• Electroweak baryogenesis and quantum corrections to the triple Higgs boson coupling
• Scrutinizing the Alignment Limit in Two-Higgs-Doublet Models. Part 2: $m_H=125$ GeV
• Scrutinizing the Alignment Limit in Two-Higgs-Doublet Models. Part 1: $m_h=125$ GeV
• A Twisted Custodial Symmetry in the Two-Higgs-Doublet Model
• New Physics Effect on the Higgs Self-Coupling
• Higgs boson potential at colliders: status and perspectives
• Fingerprinting the extended Higgs sector using one-loop corrected Higgs boson couplings and future precision measurements
• Search for heavy resonances decaying into $WW$ in the $e\nu \mu \nu$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Constraints on and future prospects for Two-Higgs-Doublet Models in light of the LHC Higgs signal
• Search for heavy particles decaying into top-quark pairs using lepton-plus-jets events in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Higher order corrections to Higgs boson decays in the MSSM with complex parameters
• Constraints on CP violation in the Higgs sector from the $\rho$ parameter
• New LHC Benchmarks for the CP-conserving Two-Higgs-Doublet Model
• Indirect bounds on heavy scalar masses of the two-Higgs-doublet model in light of recent Higgs boson searches
• Search for heavy resonances decaying into a pair of $Z$ bosons in the ${\ell }^{+}{\ell }^{-}{\ell }^{\prime +}{\ell }^{\prime -}$ and ${\ell }^{+}{\ell }^{-}\nu \bar{\nu }$ final states using 139 fb${}^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Higgs boson pair production in new physics models at hadron, lepton, and photon colliders
• Gauge invariant one-loop corrections to Higgs boson couplings in non-minimal Higgs models
• Higgs decays in the Two Higgs Doublet Model: Large quantum effects in the decoupling regime
• Precise predictions for h_a --> h_b h_c decays in the complex MSSM
• H-COUP: a program for one-loop corrected Higgs boson couplings in non-minimal Higgs sectors
• Search for a massive resonance decaying to a pair of Higgs bosons in the four b quark final state in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Constraints from Global Symmetries on Radiative Corrections to the Higgs Sector
• Radiative corrections to the Yukawa coupling constants in two Higgs doublet models
• Search for a heavy Higgs boson decaying into a $Z$ boson and another heavy Higgs boson in the $\ell \ell bb$ and $\ell \ell WW$ final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
• 2HDM Higgs-to-Higgs Decays at Next-to-Leading Order
• Leading two-loop corrections to the Higgs boson self-couplings in models with extended scalar sectors
• Production of heavy Higgs bosons and decay into top quarks at the LHC
• H-COUP Version 2: a program for one-loop corrected Higgs boson decays in non-minimal Higgs sectors
• 2HDECAY - A program for the Calculation of Electroweak One-Loop Corrections to Higgs Decays in the Two-Higgs-Doublet Model Including State-of-the-Art QCD Corrections
• Full next-to-leading-order calculations of Higgs boson decay rates in models with non-minimal scalar sectors
• Measuring the Trilinear Couplings of MSSM Neutral Higgs Bosons at High-Energy e^+e^- Colliders
• Probing extended Higgs sectors by the synergy between direct searches at the LHC and precision tests at future lepton colliders
• PROPHECY4F 3.0: A Monte Carlo program for Higgs-boson decays into four-fermion final states in and beyond the Standard Model
• Complementarity in direct searches for additional Higgs bosons at the LHC and the International Linear Collider
• $Gamma(H\to b\bar{b})$ to order $\alpha {\alpha }_s$
• Loop effects on the Higgs decay widths in extended Higgs models
• Revisiting $B_s\to {\mu }^{+}{\mu }^{-}$ in the two-Higgs doublet models with $Z_2$ symmetry
• Searches for additional Higgs bosons in multi-top-quarks events at the LHC and the International Linear Collider
• HL-LHC and ILC sensitivities in the hunt for heavy Higgs bosons
• Radiative corrections to the decay $H^{+}\to W^{+}{A}^0$
• Yukawa coupling corrections to the decay $H^{+}\to W^{+}{A}^0$
• The neutral Higgs self-couplings in the (h)MSSM
• Higgs boson self-coupling constraints from single Higgs, double Higgs and Electroweak measurements
• Probing double-aligned two Higgs doublet models at LHC
• Top quark loop corrections to the decay $H^{+}\to h^0{W}^{+}$ in the Two Higgs Doublet Model
• Production of heavy Higgs bosons and decay into top quarks at the LHC. II: Top-quark polarization and spin correlation effects
• The hMSSM approach for Higgs self-couplings revisited
• Yukawa radiative corrections to the trilinear self-couplings of neutral CP-even Higgs bosons and decay width $\Gamma (H\to hh)$ in the MSSM

Cited by in corpus (2)

• Exploring Wrong Sign Scenarios in the Yukawa-Aligned 2HDM
• Prospects for exotic $h\to 4\tau$ decays in single and di-Higgs boson production at the LHC and future hadron colliders