# SU(5)-Compatible Yukawaon Model

@article{Koide2011SU5CompatibleYM, title={SU(5)-Compatible Yukawaon Model}, author={Yoshio Koide}, journal={International Journal of Modern Physics A}, year={2011}, volume={27}, pages={1250028} }

It is investigated what constraints are imposed on the so-called yukawaon model when we regard quarks and leptons as of SU(5) (i = 1, 2, 3: index of U(3) family symmetry). In past yukawaon models, the effective Yukawa coupling constants are given by vacuum expectation values of fields Yf ("yukawaons") as . In order to build a model without a cutoff scale Λ, vector-like fields are introduced in addition to the conventional quarks and leptons. The U(3) family symmetry is broken at 〈Yf〉~1013GeV.

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