TL;DR
This paper reviews how new effective interactions could alter Higgs boson behavior, focusing on anomalous couplings and their experimental constraints from collider searches.
Contribution
It provides a comprehensive review of anomalous Higgs couplings within an effective Lagrangian framework and summarizes experimental constraints from collider data.
Findings
Constraints on anomalous Higgs couplings from collider experiments
Effects of new interactions on Higgs production and decay
Limits on new physics scale from Higgs phenomenology
Abstract
We review the effects of new effective interactions on the Higgs boson phenomenology. New physics in the electroweak bosonic sector is expected to induce additional interactions between the Higgs doublet field and the electroweak gauge bosons leading to anomalous Higgs couplings as well as to anomalous gauge-boson self-interactions. Using a linearly realized invariant effective Lagrangian to describe the bosonic sector of the Standard Model, we review the effects of the new effective interactions on the Higgs boson production rates and decay modes. We summarize the results from searches for the new Higgs signatures induced by the anomalous interactions in order to constrain the scale of new physics in particular at CERN LEP and Fermilab Te vatron colliders.
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