CP-violation in quark model

A theoretical-group origin violation of Cp-invariance effect in the multiquark models has been investigated. It is shown that CP-violation arises from generalization of weak interaction universality principles, and CP-violation parameters are of the same sense as the Cabibbo angles. Four- and six-quark models are treated in detail. The proposed formalism automatically includes all the phase transformations of physical fields. As a consequence the real number of physical parameters is defined right away in an arbitrary SU(n) quark model