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@ARTICLE{Akdag:916232,
      author       = {Akdag, Hakan and Kubis, Bastian and Wirzba, Andreas},
      title        = {${C}$ and ${CP}$ violation in effective field theories},
      volume       = {2212.07794},
      publisher    = {arXiv},
      reportid     = {FZJ-2022-06033},
      year         = {2022},
      abstract     = {The quest for new sources of the simultaneous violation of
                      $C$ and $CP$ symmetry was popular in the 1960s and has since
                      been mostly neglected for more than half a century. In this
                      work we revisit fundamental quark-level operators that break
                      $C$ and $CP$ up to and including mass dimension 8 for
                      flavor-conserving transitions, relying on the complete
                      operator sets of the so-called Standard Model effective
                      field theory and the low-energy effective field theory. With
                      the formalism of chiral perturbation theory, we match these
                      quark operators to light-meson physics, derive $C$- and
                      $CP$-odd Lagrangians for several processes in the $η$,
                      $η'$, and pion sectors, and furthermore, as a proof of
                      principle, give estimates for the respective observables in
                      explicit dependence of the underlying high-energy scale for
                      new physics.},
      keywords     = {High Energy Physics - Phenomenology (hep-ph) (Other) /
                      Nuclear Theory (nucl-th) (Other) / FOS: Physical sciences
                      (Other)},
      cin          = {IAS-4 / IKP-3},
      cid          = {I:(DE-Juel1)IAS-4-20090406 / I:(DE-Juel1)IKP-3-20111104},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.48550/ARXIV.2212.07794},
      url          = {https://juser.fz-juelich.de/record/916232},
}