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Measurement of jet shapes in top-quark pair events at s√=7 TeV using the ATLAS detector

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  • The ATLAS collaboration
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Article number2676
<mark>Journal publication date</mark>11/12/2013
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number12
Volume73
Number of pages31
Publication StatusPublished
<mark>Original language</mark>English

Abstract

A measurement of jet shapes in top-quark pair events using 1.8 fb−1 of s√=7 TeV pp collision data recorded by the ATLAS detector at the LHC is presented. Samples of top-quark pair events are selected in both the single-lepton and dilepton final states. The differential and integrated shapes of the jets initiated by bottom-quarks from the top-quark decays are compared with those of the jets originated by light-quarks from the hadronic W-boson decays W→qq¯′ in the single-lepton channel. The light-quark jets are found to have a narrower distribution of the momentum flow inside the jet area than b-quark jets.

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This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.