Testing the Scalar Sector of the Twin Higgs Model at Colliders

Abstract

We consider Mirror Twin Higgs models in which the breaking of the global symmetry is realized linearly. In this scenario, the radial mode in the Higgs potential is present in the spectrum, and constitutes a second portal between the twin and SM sectors. We show that a study of the properties of this particle at colliders, when combined with precision measurements of the light Higgs, can be used to overdetermine the form of the scalar potential, thereby confirming that it possesses an enhanced global symmetry as dictated by the Twin Higgs mechanism. We find that, although the reach of the LHC for this state is limited, future linear colliders will be able to explore a significant part of the preferred parameter space, allowing the possibility of directly testing the Twin Higgs framework.

20 pages plus references and appendix

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Cited by in corpus (18)

• Fusing Vectors into Scalars at High Energy Lepton Colliders
• Freeze-Twin Dark Matter
• Constraining the CP structure of Higgs-fermion couplings with a global LHC fit, the electron EDM and baryogenesis
• Composite Twin Dark Matter
• Discovering the Twin Higgs Boson with Displaced Decays
• Twin Higgs Portal Dark Matter
• Hypercharged Naturalness
• Resurrecting the Fraternal Twin WIMP Miracle
• Flavorful Two Higgs Doublet Models with a Twist
• Singleton Portals to the Twin Sector
• Collider Signals of the Mirror Twin Higgs through the Hypercharge Portal
• Neutral-naturalness from a holographic SO(6)/SO(5) composite Higgs model
• Twin Quark Dark Matter From Cogenesis
• BSM patterns in scalar-sector coupling modifiers
• Composite Higgs at high transverse momentum
• Review of Neutral Naturalness
• Precision Higgs Couplings in Neutral Naturalness Models: an Effective Field Theory Approach
• The Radial Mode of Composite Higgs Theories at the LHC