Measuring Hidden Higgs and Strongly-Interacting Higgs Scenarios
Sebastian Bock, Remi Lafaye, Tilman Plehn, Michael Rauch, Dirk Zerwas,, Peter M. Zerwas
TL;DR
This paper investigates how hidden sectors and composite Higgs models can alter Higgs couplings and decay modes, providing a framework for experimental tests at the LHC to assess deviations from the Standard Model.
Contribution
It introduces a unified approach to analyze Higgs coupling modifications from hidden sectors and composite models, including invisible decay channels, at the LHC.
Findings
Patterns of universal Higgs coupling shifts identified
Constraints on hidden sector interactions derived from LHC data
Potential invisible decay modes of the Higgs explored
Abstract
Higgs couplings can be affected by physics beyond the Standard Model. We study modifications through interactions with a hidden sector and in specific composite Higgs models accessible at the LHC. Both scenarios give rise to congruent patterns of universal, or partially universal, shifts. In addition, Higgs decays to the hidden sector may lead to invisible decay modes which we also exploit. Experimental bounds on such potential modifications will measure the concordance of an observed Higgs boson with the Standard Model.
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