The Twin Higgs mechanism and Composite Higgs

Abstract

We combine the Twin Higgs mechanism with the paradigm of Composite Higgs models. In this class of models the Higgs is a pseudo-Nambu-Goldstone boson from a strongly coupled sector near the TeV scale, and it is additionally protected by a discrete symmetry due to the twin mechanism. We discuss the model building issues associated with this setup and quantify the tuning needed to achieve the correct electroweak vacuum and the Higgs mass. In contrast to standard Composite Higgs models, the lightest resonance associated with the top sector is the uncolored mirror top, while the colored top partners can be made parameterically heavier without extra tuning. In some cases, the vector resonances are predicted to lie in the multi-TeV range. We present models where the resonances - both fermions and vectors - being heavier alleviates the pressure on naturalness coming from direct searches demonstrating that theories with low tuning may survive constraints from the Large Hadron Collider.

arXiv comment28 pages, 4 figures, 3 tables; v2: added references and comments, fixed typos, published in PRD

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Cited by in corpus (89)

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• Strong tW Scattering at the LHC
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• Light Hidden Mesons through the Z Portal
• Supersymmetric D-term Twin Higgs
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• Search for single production of the vector-like top partner at the 14 TeV LHC
• Phase Transitions in Twin Higgs Models
• Testing the Scalar Sector of the Twin Higgs Model at Colliders
• Minimal Non-Abelian Supersymmetric Twin Higgs
• Exotic Electroweak Signals in Twin Higgs
• Minimal Neutral Naturalness Model
• Composite spin-1 resonances at the LHC
• Twin Higgs Portal Dark Matter
• Loop-Generated Neutrino Masses in Composite Higgs Models
• Multi-Higgs Production and Unitarity in Vector-Boson Fusion at Future Hadron Colliders
• Charting the Higgs self-coupling boundaries
• Search Strategies for TeV Scale Fermionic Top Partners with Charge 2/3
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• Mirror Cosmological Relaxation of the Electroweak Scale
• Hypercharged Naturalness
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• Twin Turtles
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• Displaced Vertices from Hidden Glue
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• Twin Higgs With T parity
• LHC signatures of neutral pseudo-Goldstone boson in the E6CHM
• Gegenbauer's Twin
• The Diboson Excess: Experimental Situation and Classification of Explanations; A Les Houches Pre-Proceeding
• Baryon asymmetry generation in the E6CHM
• Light 't Hooft Top Partners
• Generating a Higgs Quartic
• Tree-level Quartic for a Holographic Composite Higgs
• The Left-Right Symmetric Composite Higgs
• Breaking Mirror Twin Color
• Dispersion Relations for Electroweak Observables in Composite Higgs Models
• The Composite Twin Higgs scenario
• Holographic Completion of Minimal Neutral Naturalness Model and Deconstruction
• Composite Higgs Models with a Hidden Sector
• A technique for natural gauge boson masses
• Search for the singlet vector-like top quark in the $T\to tZ$ channel with $Z\to \nu \bar{\nu }$ at hadron colliders
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• Review of Neutral Naturalness
• Investigating Higgs self-interaction through di-Higgs plus jet production
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