Single Heavy Lepton Production in High Energy Electron-Positron Collisions

Details Single Heavy Lepton Production in High Energy Electron-Positron Collisions Single Heavy Lepton Production in High Energy Electron-Positron Collisions

1994-10-21

arxiv.org/abs/hep-ph/9410348v3

Phys.Rev.D51:5990-5995,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 10 Figs, LATeX, Preprint IF-UFRJ/94

Scientific paper

10.1103/PhysRevD.51.5990

The production and decay of exotic leptons are discussed in the context of the vector singlet, vector doublet and fer\-mion mirror-fer\-mion models, at c.m. energies $\sqrt{s}=190GeV$ (LEP II) and $\sqrt{s}=500GeV$ (NLC). The model dependence of total cross sections and kinematic distributions at these energies is shown to be weak for these three extended models, indicating that it would be difficult to establish which of them is best fit to describe the underlying new physics, should exotic leptons be detected. We suggest that, in order to resolve this difficulty, one should measure the angular distributions of single exotic leptons in longitudinally polarized $e^+e^-$ collisions.

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