More Constraints on the Georgi-Machacek Model

Abstract

In this work, we investigate the parameter space of the Georgi-Machacek (GM) model, where we consider many theoretical and experimental constraints such as the perturbativity, vacuum stability, unitarity, electroweak precision tests, the Higgs di-photon decay, the Higgs total decay width and the LHC measurements of the signal strengths of the SM-like Higgs boson $h$ in addition to the constraints from doubly charged Higgs bosons and Drell-Yan di-photon production and the indirect constraint from the $b\to s$ transition processes. We investigate also the possibility that the electroweak vacuum could be destabilized by unwanted wrong minima that may violate the CP and/or the electric charge symmetries. We found that about 40 \% of the parameter space that fulfills the above mentioned constraints; are excluded by these unwanted minima. In addition, we found that the negative searches for a heavy resonance could exclude a significant part of the viable parameter space; and future searches could exclude more regions in the parameter space.

More constraints are considered, 21 pages & 9 figures

References in corpus (21)

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• Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
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• Unitarity bounds in the Higgs model including triplet fields with custodial symmetry
• 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
• Indirect constraints on the Georgi-Machacek model and implications for Higgs couplings
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• Revisiting Theories with Enhanced Higgs Couplings to Weak Gauge Bosons
• Electroweak Phase Transition in Georgi-Machacek Model
• Contact interaction analysis of pion GTMDs
• Electroweak phase transition and Higgs phenomenology in the Georgi-Machacek model
• Search for heavy resonances decaying to WW, WZ, or WH boson pairs in a final state consisting of a lepton and a large-radius jet in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Vacuum Stability Conditions for Higgs Potentials with $SU(2{)}_L$ Triplets
• Constraining the Georgi-Machacek Model with a Light Higgs
• Common origin of radiative neutrino mass, dark matter and leptogenesis in scotogenic Georgi-Machacek model
• Vacuum structure of the ${\mathbb{Z}}_2$ symmetric Georgi-Machacek model

Cited by in corpus (9)

• The 95 GeV Excess in the Georgi-Machacek Model: Single or Twin Peak Resonance
• New physics implications of VBF searches exemplified through the Georgi-Machacek model
• Interpretation of 95 GeV Excess within the Georgi-Machacek Model in Light of Positive Definiteness Constraints
• Revisiting the decoupling limit of the Georgi-Machacek model with a scalar singlet
• Charged Higgs decay to $W^{\pm }$ and heavy neutral Higgs decaying into ${\tau }^{+}{\tau }^{-}$ in Georgi Machacek Model at LHC
• Diphoton signals for the Georgi-Machacek scenario at the Large Hadron Collider
• Triplet fermion WIMP dark matter in the general supersymmetric Georgi-Machacek model
• Positive definiteness constraints of effective scalar potential in Georgi-Machacek Model
• Tagging ultra-boosted jets at FCC-hh using machine learning techniques