CERN Accelerating science

ATLAS Note
Report number arXiv:1009.6135 ; ATL-PHYS-PROC-2010-087
Title Tau Reconstruction and Identification Performance at ATLAS
Author(s) Gosdzik, Bjoern
Collaboration ATLAS collaboration
Publication 2010
Imprint 30 Sep 2010
Number of pages 3
Note 3 pages, 8 figures, 1 table, contribution to the 21st Hadron Collider Physics Symposium (HCP 2010), Toronto, Canada, 23 - 27 August 2010
In: Hadron Collider Physics Symposium 2010, Toronto, Ontario, Canada, 23 - 27 Aug 2010
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; ATLAS
Free keywords TAUPERF
Abstract For many signals in the Standard Model and new physics like Supersymmetry and Higgs Bosons, $ au$ leptons represent an important signature. This work shows the performance of the ATLAS $ au$ reconstruction and identification algorithms with the first 7 TeV data. It will present a set of studies based on data taken in 2010 at a center-of-mass energy of $sqrt{s}$ = 7 TeV. We measured some of the basic input quantities used for this identification methods from selected reconstructed $ au$ candidates and compared the results to the prediction of different Monte Carlo simulation models. For early data taking a cut-based identification method will be used. We also measured the background efficiency for cut-based $ au$ identification.
Copyright/License Preprint: (License: CC-BY-4.0)



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 Record created 2010-09-30, last modified 2023-03-14


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