Journal
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Volume 169, Issue -, Pages 357-362Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysbps.2007.03.028
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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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