CP violation with a dynamical Higgs
M.B. Gavela, J. Gonzalez-Fraile, M.C. Gonzalez-Garcia, L. Merlo, S., Rigolin, J. Yepes
TL;DR
This paper classifies CP-violating operators in models with a dynamical Higgs, linking effective field theory operators to experimental bounds from electric dipole moments and collider data.
Contribution
It provides a complete set of gauge and gauge-Higgs CP-odd operators for a dynamical Higgs, clarifying their relation to linear dimension six operators.
Findings
Bounds from electric dipole moments constrain CP-violation
Collider data on triple gauge couplings provide additional limits
The framework aids in interpreting experimental CP-violation searches
Abstract
We determine the complete set of independent gauge and gauge-Higgs CP-odd effective operators for the generic case of a dynamical Higgs, up to four derivatives in the chiral expansion. The relation with the linear basis of dimension six CP-odd operators is clarified. Phenomenological applications include bounds inferred from electric dipole moment limits, and from present and future collider data on triple gauge coupling measurements and Higgs signals.
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