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Göttingen 2012 – scientific programme

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T: Fachverband Teilchenphysik

T 37: Top-Quark: Eigenschaften 1

T 37.6: Talk

Monday, February 27, 2012, 18:00–18:15, ZHG 105

Measurement of the top quark mass in the dilepton channel using Neutrino WeightingKevin Kröninger, Arnulf Quadt, Elizaveta Shabalina, and •Tamara Vázquez Schröder — Georg- August-Universität, Göttingen, Germany

The top quark mass is one of the fundamental parameters in the Standard Model. In the analysis presented here, the Neutrino Weighting approach is used to reconstruct top events in the dilepton channel. Assuming a neutrino rapidity distribution from Standard Model expectations and a top quark mass a priori, event weights can be obtained from comparing calculated and reconstructed missing transverse energy. A framework for the reconstruction of dileptonic top events in context of the ATLAS experiment and its implementation to extract the top quark mass is presented.

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