τlepton decays and CVC
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We use experimental data on $e^+e^- \to η(η^{\prime})π^+π^-$ and conservation of vector current to estimate the branching fractions of $τ^-$ decay to $η(η^{\prime})π^-π^0ν_τ$. The obtained values are compared to the experimental results.
4 pages, 2 figures, Talk at the X Workshop on τLepton Physics, Novosibirsk
4 pages, 2 figures, Talk at the X Workshop on τLepton Physics, Novosibirsk