Measuring Higgs Coupling to Tau-Leptons at Future e+ e- Colliders
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We perform a complete simulation of the process $ e^+ e^- \to τ^+ τ^- ν\barν$, where $ν$ can be an electron, muon or tau neutrino, in the context of a general Higgs coupling to $τ$ leptons. We analyse various kinematical distributions and obtain the sensitivity regions in the parameter space that can be explored at a future $e^+ e^-$ collider. In particular, inclusion of $W$ boson fusion enhances the sensitivity significantly.
10 pages, 10 figures
10 pages, 10 figures