Electric dipole moments of leptons in the presence of Majorana neutrinos

John Paul Archambault, Andrzej Czarnecki, Maxim Pospelov

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Abstract

We calculate the two-loop diagrams that give a nonzero contribution to the electric dipole moment [Formula Presented] of a charged lepton [Formula Presented] due to possible Majorana masses of neutrinos. Using the example with one generation of the standard model leptons and two heavy right-handed neutrinos, we demonstrate that the nonvanishing result for [Formula Presented] first appears in order [Formula Presented], where [Formula Presented] is the mass of the light neutrino and the see-saw type relation is imposed. This effect is beyond the reach of presently planned experiments.

Original languageEnglish (US)
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number7
DOIs
StatePublished - 2004
Externally publishedYes

Bibliographical note

Funding Information:
This research was supported by the Science and Engineering Research Canada, and by the Collaborative Linkage Grant No. PST.CLG.977761 from the NATO Science Program.

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