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

Joachim Brod (Department of Physics, University of Cincinnati, 345 Clifton Ct, Cincinnati, OH, 45221, USA; Fakultät für Physik, TU Dortmund, Otto-Hahn-Straße 4, Dortmund, 44227, Germany) ; Emmanuel Stamou (Fakultät für Physik, TU Dortmund, Otto-Hahn-Straße 4, Dortmund, 44227, Germany; Theoretical Particle Physics Laboratory (LPTP), Institute of Physics, EPFL, Route de la Sorge, Lausanne, 1015, Switzerland; Enrico Fermi Institute, University of Chicago, 5640 S Ellis Ave, Chicago, IL, 60637, USA)

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 moments of the neutron and mercury, we update the constraints on CP-violating phases in the bottom and charm quark Yukawas.

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      "value": "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 moments of the neutron and mercury, we update the constraints on CP-violating phases in the bottom and charm quark Yukawas."
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Published on:
14 July 2021
Publisher:
Springer
Published in:
Journal of High Energy Physics , Volume 2021 (2021)
Issue 7
Pages 1-35
DOI:
https://doi.org/10.1007/JHEP07(2021)080
arXiv:
1810.12303
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: