CP Phases in Models with Some Fermion Masses Vanishing and/or Degenerate

F. del Aguila, M. Zralek

We count the number of CP breaking phases in models with $SU(2{)}_L\times U(1{)}_Y$ and $SU(2{)}_L\times SU(2{)}_R\times U(1{)}_{B-L}$ electroweak gauge groups and extended matter contents w…