CP violation from new quarks in the chiral limit

@article{guila1998CPVF,
  title={CP violation from new quarks in the chiral limit},
  author={Francisco del {\'A}guila and Juan Antonio Aguilar-Saavedra and Gustavo C. Branco},
  journal={Nuclear Physics},
  year={1998},
  volume={510},
  pages={39-60}
}
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