Spontaneous breakdown of CP in left-right symmetric models
G. Barenboim, J. Bernabeu
Abstract
We show that it is possible to obtain spontaneous CP violation in the minimal SU(2)L × SU(2)R × U(1)B-L, i.e. in a left right symmetric model containing a bidoublet and two triplets in the scalar sector. For this to be a natural scenario, the non-diagonal quartic couplings between the two scalar triplets and the bidoublet play a fundamental role. We analyze the corresponding Higgs spectrum, the suppression of FCNC's and the manifestation of the spontaneous CP phase in the electric dipole moment of the electron.
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