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|Title:||Combination of inclusive and differential tt‾ charge asymmetry measurements using ATLAS and CMS data at √S =7 and 8 TeV|
|Other Titles:||Combination of inclusive and differential tt -bar charge asymmetry measurements using ATLAS and CMS data at rootS =7 and 8 TeV|
|Citation:||Journal of High Energy Physics, 2018; 2018(4):33-1-33-67|
|M. Aaboud … P. Jackson … A. Petridis … M.J. White … et al. [the ATLAS Collaboration]|
|Abstract:||This paper presents combinations of inclusive and differential measurements of the charge asymmetry (AC) in top quark pair (tt¯) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. The data correspond to integrated luminosities of about 5 and 20 fb−1 for each experiment, respectively. The resulting combined LHC measurements of the inclusive charge asymmetry are A C CHC7 = 0.005 ± 0.007 (stat) ± 0.006(syst) at 7 TeV and A C CHC8 = 0.0055 ± 0.0023 (stat) ± 0.0025 (syst) at 8 TeV. These values, as well as the combination of AC measurements as a function of the invariant mass of the tt¯ system at 8 TeV, are consistent with the respective standard model predictions.|
|Keywords:||Hadron-hadron scattering (experiments); top physics|
|Rights:||© The Author(s) 2018 Open Access, Copyright CERN, for the benfit of the ATLAS-CMS Collaboration. Article funded by SCOAP³.|
|Appears in Collections:||Physics publications|
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