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Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at s√=7 and 8 TeV (CROSBI ID 267060)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

(CMS Collaboration) Sirunyan, Albert ; ... ; Đurić, Senka ; Lelas, Damir ; Godinović, Nikola ; Puljak, Ivica ; Šćulac, Toni ; Mesić, Benjamin ; Šuša, Tatjana ; Kovač, Marko et al. Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at s√=7 and 8 TeV // The Journal of high energy physics, 04 (2018), 033, 68. doi: 10.1007/JHEP04(2018)033

Podaci o odgovornosti

Sirunyan, Albert ; ... ; Đurić, Senka ; Lelas, Damir ; Godinović, Nikola ; Puljak, Ivica ; Šćulac, Toni ; Mesić, Benjamin ; Šuša, Tatjana ; Kovač, Marko ; Ferenček, Dinko ; Antunović, Željko ; Starodumov, Andrey ; Brigljević, Vuko ; Luetić, Jelena ; Kadija, Krešo ; ... ; Woods, Nate

CMS Collaboration

engleski

Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at s√=7 and 8 TeV

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.

high energy physics ; experimental particle physics ; LHC ; CMS ; standard model

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Podaci o izdanju

04

2018.

033

68

objavljeno

1126-6708

1029-8479

10.1007/JHEP04(2018)033

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Fizika

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