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Universality-Breaking Effects in Leptonic Z Decays

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arxiv hep-ph/9307295 v1 pith:BMRPNK6E submitted 1993-07-19 hep-ph

J. Bernabeu , J. Korner , A. Pilaftsis , K. Schilcher This is my paper · ORCID
classification hep-ph
keywords decayseffectsleptonicneutrinouniversality-breakinganalyzebosoncontext
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abstract

We analyze the possibility of universality violation in diagonal leptonic decays of the $Z$ boson, in the context of interfamily "see-saw" models. In a minimal extension of the Standard Model with right-handed neutrino fields, we find that universality-breaking effects increase quadratically with the heavy Majorana neutrino mass and may be observed in the running $LEP$ experiments.

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Cited by 1 Pith paper

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  1. High-energy cLFV at $\mu$TRISTAN: HNL extensions of the Standard Model

    hep-ph 2024-12 conditional novelty 6.0 of 10

    In HNL extensions of the Standard Model, mu+e- collisions at muTRISTAN could discover e-tau and mu-tau charged lepton flavour violation with sensitivity orders of magnitude beyond low-energy experiments and FCC-ee.

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