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Type: Journal article
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
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abidi, S.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.
Adachi, S.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adye, T.
Affolder, A.
Afik, Y.
Agheorghiesei, C.
et al.
Citation: Journal of High Energy Physics, 2018; 2018(4):33-1-33-67
Publisher: Springer
Issue Date: 2018
ISSN: 1126-6708
Statement of
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.
RMID: 0030090202
DOI: 10.1007/JHEP04(2018)033
Appears in Collections:Physics publications

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