A single source for all flavor violation

@article{Barr2015ASS,
  title={A single source for all flavor violation},
  author={Stephen M. Barr and Heng-yu Chen},
  journal={Journal of High Energy Physics},
  year={2015},
  volume={2015},
  pages={1-12}
}
A bstractIn a model proposed in 2012, all flavor mixing has a single source and is governed by a single “master matrix.” This model was shown to give several predictions for quark and lepton masses and mixing angles and for mixing angles within SU(5) multiplets that are observable in proton decay. Here it is shown that the same master matrix controls the flavor-changing processes mediated by a singlet scalar that exists in the model, giving predictions for τ → μγ, τ → eγ, and μ → eγ. 

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