Large Electric Dipole Moments of Heavy Leptons

Details Large Electric Dipole Moments of Heavy Leptons Large Electric Dipole Moments of Heavy Leptons

2001-05-31

arxiv.org/abs/hep-ph/0105340v2

Phys.Rev.Lett. 87 (2001) 161801

Physics

High Energy Physics

High Energy Physics - Phenomenology

Discussion expanded extensively to include model-dependence of results. Calculations unchanged. Note Added To Acknowledgments:

Scientific paper

10.1103/PhysRevLett.87.161801

In many models of CP violation, the electric dipole moments (EDMs) of leptons scale as the cube of the lepton mass. In these models, the EDM of a 100 GeV heavy lepton would be a billion times greater than that of the muon, and could be as large as a 0.01 e-fermi. In other models, in which the heavy leptons have different properties from the lighter generations, a similarly large EDM can be obtained. A large EDM could dominate the electromagnetic properties of heavy leptons. The angular distribution and production cross-section of both charged and neutral heavy leptons with large dipole moments is calculated and discussed. The interesting possibility that a heavy neutrino with a large EDM could leave an ionization track in a drift chamber is investigated.

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