Abstract
We revisit the model of a CP -even singlet scalar resonance proposed in arXiv:1507.02483 , where the resonance appears as the lightest composite state made of scalar quarks participating in hidden strong dynamics. We show that the model can consistently explain the excess of diphoton events with an invariant mass around 750 GeV reported by both the ATLAS and CMS experiments. We also discuss the nature of the charged composite states in the TeV range which accompany to the neutral scalar. Due to inseparability of the dynamical scale and the mass of the resonance, the model also predicts signatures associated with the hidden dynamics such as leptons, jets along with multiple photons at future collider experiments. We also associate the TeV-scale dynamics behind the resonance with an explanation of dark matter.
Highlights
In the model of ref. [25], the scalar resonance, S with mass MS, couples to the gauge bosons in the Standard Model (SM) due to the SM gauge charges of the constituent hidden scalar quarks
We revisit the model of a CP -even singlet scalar resonance proposed in arXiv:1507.02483, where the resonance appears as the lightest composite state made of scalar quarks participating in hidden strong dynamics
We have revisited a model of scalar composite resonance that couples to the SM gauge bosons via the higher-dimensional operators proposed in ref. [25] in light of the
Summary
In the model of ref. [25], the scalar resonance, S with mass MS, couples to the gauge bosons in the Standard Model (SM) due to the SM gauge charges of the constituent hidden scalar quarks. [25], the scalar resonance, S with mass MS, couples to the gauge bosons in the Standard Model (SM) due to the SM gauge charges of the constituent hidden scalar quarks. Let us discuss the model content and hidden dynamics that lead to the scalar resonance.
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