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Report on 1811.06470v1
We report the status of the Heavy Flavour Averaging Group (HFLAV) averages of the τ lepton measurements We then update the latest published HFLAV global fit of the τ lepton branching fractions (Spring 2017) with recent results by BABAR.We use the fit results to update the Cabibbo-Kobayashi-Maskawa (CKM) matrix element …