Computing the temperature dependence of effective CP violation in the standard model

  title={Computing the temperature dependence of effective CP violation in the standard model},
  author={T. Brauner and Olli Taanila and A. Tranberg and A. Vuorinen},
  journal={Journal of High Energy Physics},
  • T. Brauner, Olli Taanila, +1 author A. Vuorinen
  • Published 2012
  • Physics
  • Journal of High Energy Physics
  • A bstractCP violation in the standard model originates from the Cabibbo-Kobayashi-Maskawa mixing matrix. Upon integrating all fermions out of the theory, its effects are captured by a series of effective nonrenormalizable operators for the bosonic gauge and Higgs fields. We compute the CP-violating part of the effective action to the leading nontrivial, sixth order in the covariant gradient expansion as a function of temperature. In the limit of zero temperature, our result addresses the… CONTINUE READING
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