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Reconstruction and identification of hadronic tau-decays in ATLAS

Abstract : The identification of tau -jets from the hadronic tau -decay is crucial for the study of many physics channels like the production of Higgs bosons decaying to tau or SUSY. The tau-jet reconstruction in ATLAS is performed starting from the energy deposited in the calorimeters or also combining measurements from calorimeter and tracking with an energy-flow technique. Quantities built both from the calorimeters and from the inner detector are used to identify tau -jets against other jets. In the talk we will review the performance of tau-jet reconstruction and identification, showing that the excellent tau-efficiency versus the jet-rejection obtained in ATLAS will allow the study of channels where the background from jets is potentially very large.
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Submitted on : Monday, November 27, 2006 - 5:04:27 PM
Last modification on : Friday, November 6, 2020 - 3:31:14 AM
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F. Tarrade. Reconstruction and identification of hadronic tau-decays in ATLAS. Tau06, 9th International Workshop on Tau Lepton Physics, Sep 2006, Pisa, Italy. pp.357-362, ⟨10.1016/j.nuclphysbps.2007.03.028⟩. ⟨in2p3-00116748⟩

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