Enhanced electric dipole moment of the muon in the presence of large neutrino mixing

Details Enhanced electric dipole moment of the muon in the presence of large neutrino mixing Enhanced electric dipole moment of the muon in the presence of large neutrino mixing

2000-06-28

arxiv.org/abs/hep-ph/0006329v1

Phys.Rev.Lett. 85 (2000) 5064-5067

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, RevTeX, 3 figures

Scientific paper

10.1103/PhysRevLett.85.5064

The electric dipole moment of the muon (d_mu) is evaluated in supersymmetric models with nonzero neutrino masses and large neutrino mixing arising from the seesaw mechanism. It is found that if the seesaw mechanism is embedded in the framework of a left-right symmetric gauge structure, the interactions responsible for the right-handed neutrino Majorana masses lead to an enhancement in d_mu. We find d_mu as large as 5. 10^{-23} ecm with a correlated value of (g-2) = 13. 10^{-10}, even for low values of tan beta. This should provide a strong motivation for improving the edm of the muon to the level of 10^{-24} ecm as has recently been proposed.

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