Realistic constraints on the doubly charged bilepton couplings from Bhabha scattering with LEP data

Abstract

Upper limits on doubly charged bilepton couplings and masses are extracted from LEP data for Bhabha scattering at energy range $\sqrt{s}=183-202$ GeV using standard model program ZFITTER which calculates radiative corrections. We find that $g_L^2/M_L^2<O(10^{-5})Ge{V}^{-2}$ at 95% C.L. for scalar and vector bileptons.

arXiv comment5 pages, 1 EPS figure

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• Indirect search for lepton flavour violation at CERN LEP via doubly charged bileptons
• Heavy quark signals from radiative corrections to the $Z^{\prime }$ boson decay in 3-3-1 models
• Production of Doubly Charged Higgs Bosons at Linear e-e- Colliders
• Isolating Unisolated Upsilons with Anomaly Detection in CMS Open Data
• Production of doubly charged vector bilepton pairs at $\gamma \gamma$ colliders