Measurements of the top quark mass using the ATLAS and CMS detectors at the LHC

Menke, S. and Aad, G. and Abbott, B. and Abdallah, J. and Abdinov, O. and Krasznahorkay, Attila and Nagai, Yoshikazu and Pásztor, Gabriella and Filipovic, Nicolas and Bencze, György and Hajdu, Csaba and Horváth, Dezső and Siklér, Ferenc and Veszprémi, Viktor and Vesztergombi, György and Zsigmond, Anna Júlia and Bartók, Márton and Ujvári, Balázs and Veres, Gábor (2015) Measurements of the top quark mass using the ATLAS and CMS detectors at the LHC. POS - PROCEEDINGS OF SCIENCE, 27. ISSN 1824-8039

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Abstract

The latest measurements of the top quark mass obtained by the ATLAS and CMS experiments at the LHC for centre-of-mass energies of 7 and 8 TeV are presented. The mass of the top quark is measured using several methods and channels, including the reconstructed invariant mass dis- tribution of the top quark and shapes of top quark decay distributions. Measurements based on the inclusive t¯t cross section and novel observables based on the differential cross section in the t¯t + 1jet channel are also discussed. The results of the various channels are combined and com- pared to the world average.

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