BELLE2-TALK-DRAFT-2020-043 BELLE2-TALK-CONF-2020-052

Track reconstruction efficiency measurement using e+e- → τ+τ- events at Belle II

Laura Zani

28 July 2020
40th International Conference on High Energy Physics

Abstract: We present the measurement of the Belle II track reconstruction efficiency and Monte Carlo efficiency correction factors using τ-pair events, in which one τ lepton decays leptonically ( τ → lνν , l = e, μ) while the other decays hadronically into three charged pions ( τ → 3πν + nπ0). These measurements are performed using the e+e- collision data recorded during the early Phase III of data taking.

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 Record created 2020-08-04, last modified 2020-08-04


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