Electric dipole moment constraints on CP-violating heavy-quark Yukawas at next-to-leading order

Abstract

Electric dipole moments are sensitive probes of new phases in the Higgs Yukawa couplings. We calculate the complete two-loop QCD anomalous dimension matrix for the mixing of CP-odd scalar and tensor operators and apply our results for a phenomenological study of CP violation in the bottom and charm Yukawa couplings. We find large shifts of the induced Wilson coefficients at next-to-leading-logarithmic order. Using the experimental bound on the electric dipole moment of the neutron, we update the constraints on CP-violating phases in the bottom and charm quark Yukawas.

33 pages, 9 figures; calculation using Larin scheme for gamma5; version as published in JHEP

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• Current bounds on baryogenesis from complex Yukawa couplings of light fermions
• Searching for BSM Physics in Yukawa Couplings and Flavour Symmetries
• Electric dipole moments from colour-octet scalars
• The Electric Dipole Moment of the electron in the decoupling limit of the aligned Two-Higgs Doublet Model
• Sensitivity to $\mathcal{C}\mathcal{P}$-violating effective couplings in the top-Higgs sector
• Radioactive Molecules as Laboratories of Fundamental Physics
• Beautiful and charming chromodipole moments