Abstract

We calculate cross section for e +e − scattering into four-lepton final states such as e +e −e +e −, e +e − μ + μ −, μ + μ − μ + μ −, μ + μ − τ + τ −. We also give exclusive cross sectionsfor all cases where one or more lepton tracks are at large angles to the beams. The calculations are performed using a Monte Carlo event generator which takes into account the complete set of relevant lowest order Feynman diagrams.

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