A Study of the Charged Scalar in the Zee Model

Details A Study of the Charged Scalar in the Zee Model A Study of the Charged Scalar in the Zee Model

1999-03-29

arxiv.org/abs/hep-ph/9903509v1

Phys.Lett. B455 (1999) 224-230

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 4 figures

Scientific paper

10.1016/S0370-2693(99)00490-6

An extension of the Zee model involving a light right handed neutrino, nu_R is considered. We update constraints on couplings between the bilepton scalar, the active neutrinos, nu_R and the charged leptons. We find that the most stringent constraint currently comes from measurements limiting the width of the decay mu -> e gamma. These are used to predict the upper bound on violation of lepton universality in leptonic W boson decays and rare Z decays, such as Z -> e mu.

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