Vector-like quark doublets allow CP violation in weak-basis invariants of mass dimension six; the resulting framework organizes the model's parameters, gives the complete CP-odd invariant set for one doublet, and links Cabibbo-anomaly right-handed currents to testable Z and kaon observables.
On the Reduction of CP Violation Phases
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abstract
We describe a method that is used to reduce, significantly, the number of CP violating complex phases in the Yukawa parameters. With this Reduction of Complex Phases (RCP) we obtain only one CP violating complex phase in the case where the neutrinos have an (effective) $3\times 3$ Majorana mass matrix. For the See Saw extension of the SM with three righthanded neutrinos, and in connection with CP violation in leptogenis, we reduce the usual 6 complex phases to only 2.
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Vector-like quark doublets, weak-basis invariants and CP violation
Vector-like quark doublets allow CP violation in weak-basis invariants of mass dimension six; the resulting framework organizes the model's parameters, gives the complete CP-odd invariant set for one doublet, and links Cabibbo-anomaly right-handed currents to testable Z and kaon observables.