Email this article Measurement of the top quark mass in dileptonic top quark pair decays with √s = 7 TeV ATLAS data
- Authors: Maier A.A.1, 1
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Affiliations:
- Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
- Issue: Vol 79, No 11-12 (2016)
- Pages: 1471-1473
- Section: Interaction of Plasmas, Particle Beams, and Radiation with Matter
- URL: https://journals.rcsi.science/1063-7788/article/view/191183
- DOI: https://doi.org/10.1134/S1063778816100082
- ID: 191183
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Abstract
The top quark mass in dileptonic top quark pair decays was measured using 4.7 fb–1 of √s = 7 TeV proton-proton (pp) collision data recorded by the ATLAS experiment at the LHC in 2011. The event topology is characterized by the presence of two charged leptons, at least two neutrinos and several jets, two of which originate from bottom quarks. Using the template method and the mℓb observable, defined as the average invariant mass of the two charged lepton plus b-jet pairs in each event, the top quark mass is measured to be 173.09 ± 0.64(stat) ± 1.50(syst) GeV. This proceeding is based on a preliminary result, which has been superseded meanwhile.
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About the authors
Andreas Alexander Maier
Max-Planck-Institut für Physik (Werner-Heisenberg-Institut)
Author for correspondence.
Email: andreas.maier@mpp.mpg.de
Germany, Föhringer Ring 6, München, 80805
Email: andreas.maier@mpp.mpg.de
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