Abstract
In models of composite Higgs dynamics new composite pseudoscalars can interact with the Higgs and electroweak gauge bosons via anomalous interactions, stemming from the topological sector of the underlying theory. We show that a future 100 TeV proton-proton collider (FCC-pp) will be able to test this important sector and thus shed light on the strong dynamics which generates the Higgs and other composite states. To elucidate our results we focus on the topological interactions of a minimal composite Higgs model with a fermionic ultraviolet completion, based on the coset $\text{SU}(4)/\text{Sp}(4)$. We suggest the strategy to test these interactions at the FCC-pp and analyse the expected reach.
Highlights
We focus on the topological interactions of a minimal composite Higgs model with a fermionic ultraviolet completion, based on the coset SUð4Þ=Spð4Þ
Compelling theories which provide a natural explanation of the electroweak (EW) symmetry breaking involve a new strong gauge sector, from which the Higgs emerges as a composite pseudo- Nambu-Goldstone-boson state [1,2,3]
We study the WZW interactions involving the η and the η0 states in the SUð4Þ=Spð4Þ composite Higgs model and show that they play a major role in their production at the planned future circular proton-proton collider with a beam-colliding energy of 100 TeV, the FCCpp [20]
Summary
Compelling theories which provide a natural explanation of the electroweak (EW) symmetry breaking involve a new strong gauge sector, from which the Higgs emerges as a composite pseudo- Nambu-Goldstone-boson (pNGB) state [1,2,3]. Minimal realizations of this kind of extension of the standard model with an underlying fundamental fermionic matter are based on the global flavor symmetry breaking pattern SUð4Þ → Spð4Þ ∼ SOð6Þ → SOð5Þ [4,5,6,7,8,9,10].
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