Heavy particle electroweak loop effects in extra-dimensional models with bulk neutrinos

Details Heavy particle electroweak loop effects in extra-dimensional models with bulk neutrinos Heavy particle electroweak loop effects in extra-dimensional models with bulk neutrinos

2001-01-08

arxiv.org/abs/hep-ph/0101068v2

Phys.Lett. B502 (2001) 152-158

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages; new citations added in Ref [3] and [11]

Scientific paper

10.1016/S0370-2693(01)00202-7

One way to detect the presence of new particles in theories beyond the standard model is through their contribution to electroweak loop effects. We comment on the importance of a consistent inclusion of their mixing angles to ensure that the physical requirement of heavy particle decoupling is fulfilled. We illustrate our points by a detailed discussion of the lepton flavor changing effect mu-e-gamma, investigated recently by Kitano, in the Randall-Sundrum model. Our remarks are equally applicable to models with large compactified dimensions where bulk neutrinos are introduced to account for the observed neutrino oscillations.

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