Higgs-Z-photon Coupling from Effect of Composite Resonances
Haiying Cai
TL;DR
This paper investigates how composite resonances in a minimal composite Higgs model influence the Higgs-Z-photon coupling, revealing potential enhancements in Higgs decay signals within electroweak precision constraints.
Contribution
It introduces a detailed analysis of the Higgs-Z-photon coupling considering vector and axial resonances in the minimal composite Higgs framework, including electroweak precision constraints.
Findings
Notable enhancement in Higgs to Z-photon decay signal in certain parameter regions.
Electroweak precision parameters S and T are estimated for the model.
Potential implications for Higgs decay measurements at colliders.
Abstract
We explore the Higgs-Z-photon coupling in the Minimal Composite Higgs Model with vector and axial resonances. The electroweak precision measurement, i.e. S and T, is estimated for this model. We calculate the signal strength for Higgs decay into Z-photon and notable enhancement is found in certain EWPT allowed parameter region.
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