A chiral SU(3)_f gauge theory strongly coupled at high scale generates Majorana masses for right-handed neutrinos and Dirac masses for SM fermions, dynamically breaking flavor and electroweak symmetries to produce composite states and calculable neutrino masses via seesaw.
Strong Interactions at Low Energy
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abstract
The lectures review some of the basic concepts relevant for an understanding of the low energy properties of the strong interactions: chiral symmetry, spontaneous symmetry breakdown, Goldstone bosons, quark condensate. The effective field theory used to analyze the low energy structure is briefly sketched. As an illustration, I discuss the implications of the recent data on the decay $K\to \pi\pi e\nu$ for the magnitude of the quark condensate.
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Model of Flavors
A chiral SU(3)_f gauge theory strongly coupled at high scale generates Majorana masses for right-handed neutrinos and Dirac masses for SM fermions, dynamically breaking flavor and electroweak symmetries to produce composite states and calculable neutrino masses via seesaw.