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19972024
most citedMeasurement of the branching fraction of the decay at Belle II

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hep-ex2000

A measurement of the tau mass and the first CPT test with tau leptons

G. Abbiendi, the OPAL collaboration

We measure the mass of the tau lepton to be 1775.1+-1.6(stat)+-1.0(syst.) MeV using tau pairs from Z0 decays. To test CPT invariance we compare the masses of the positively and neg…