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T: Fachverband Teilchenphysik
T 44: Bottom-Produktion II
T 44.1: Talk
Thursday, March 31, 2011, 16:45–17:00, 30.22: 022
B-tagging algorithms and their calibration at the ATLAS experiment — •Florian Hirsch1, Beate Heinemann2, Johanna Fleckner4, Christian Jung1, and Christian Weiser3 — 1TU Dortmund — 2LBNL — 3Universität Freiburg — 4Universität Mainz
At the ATLAS experiment a variety of tagging algorithms have been developed for the identification of heavy flavor particle jets. In this talk selected tagging algorithms will be introduced and results of the calibration of their efficiency and rejection rates will be presented. The focus will be on the calibration of the b-tagging efficiency with the pTrel-method.