Symmetry Breaking Patterns for the Little Higgs from Strong Dynamics

Abstract

We show how the symmetry breaking pattern of the simplest little Higgs model, and that of the smallest moose model that incorporates an approximate custodial SU(2), can be realized through the condensation of strongly coupled fermions. In each case a custodial SU(2) symmetry of the new strong dynamics limits the sizes of corrections to precision electroweak observables. In the case of the simplest little Higgs, there are no new light states beyond those present in the original model. However, our realization of the symmetry breaking pattern of the moose model predicts an additional scalar field with mass of order a TeV or higher that has exactly the same quantum numbers as the Standard Model Higgs and which decays primarily to third generation quarks.

5 pages, 3 figures

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Cited by in corpus (8)

• Simplified Models for LHC New Physics Searches
• Physics searches at the LHC
• Effective Theory of a Light Dilaton
• Fundamental Composite Electroweak Dynamics: Status at the LHC
• A Composite Twin Higgs Model
• Elementary Goldstone Higgs Boson and Dark Matter
• Conformal little Higgs models
• Topological physics in the standard model and beyond