Scalar resonance at 750 GeV as composite of heavy vector-like fermions
Wei Liao, Han-qing Zheng
TL;DR
This paper proposes a composite scalar model involving heavy vector-like fermions to explain the 750 GeV di-photon resonance and its decay properties, unifying it with the SM Higgs.
Contribution
It introduces a novel composite scalar framework with heavy fermions and super-strong interactions to account for the 750 GeV resonance and its experimental signatures.
Findings
Explains the large di-photon production cross section.
Accounts for the decay properties of the 750 GeV resonance.
Unifies the 750 GeV scalar with the SM Higgs in a composite model.
Abstract
We study a model of scalars which includes both the SM Higgs and a scalar singlet as composites of heavy vector-like fermions. The vector-like fermions are bounded by the super-strong four-fermion interactions. The scalar singlet decays to SM vector bosons through loop of heavy vector-like fermions. We show that the surprisingly large production cross section of di-photon events at 750 GeV resonance and the odd decay properties can all be explained. This model serves as a good model for both SM Higgs and a scalar resonance at 750 GeV.
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