A note on Majorana neutrinos, leptonic CKM and electron electric dipole moment
Daniel Ng, John N. Ng
Abstract
The electric dipole moment of the electron, de, is known to vanish up to thre e-loops in the standard model with massless neutrinos. However, if neutrinos are massive Majorana particles, we obtain the result that de induced by leptonic CKM mechanism is non-vanishing at two-loop order, and it applies to all massive Majorana neutrino models.
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