Measurement of the tbar-t production cross section in the dilepton channel in pp collisions at √s = 8 TeV (CROSBI ID 213452)
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Podaci o odgovornosti
Chatrchyan, S. ; ... ; Godinović, Nikola ; Lelas, Damir ; Pleština, Roko ; Polić, Dunja ; Puljak, Ivica ; Antunović, Željko ; Kovač, Marko ; Brigljević, Vuko ; Đurić, Senka ; Kadija, Krešo ; Luetić, Jelena ; Mekterović, Darko ; Morović, Srećko ; Tikvica, Lucija ; ... ; Swanson, J.
engleski
Measurement of the tbar-t production cross section in the dilepton channel in pp collisions at √s = 8 TeV
The top-antitop quark (t¯t) production cross section is measured in protonproton collisions at √ s = 8 TeV with the CMS experiment at the LHC, using a data sample corresponding to an integrated luminosity of 5.3 fb−1 . The measurement is performed by analysing events with a pair of electrons or muons, or one electron and one muon, and at least two jets, one of which is identified as originating from hadronisation of a bottom quark. The measured cross section is 239±2 (stat.)±11 (syst.)±6 (lum.) pb, for an assumed top-quark mass of 172.5 GeV, in agreement with the prediction of the standard model.
Hadron-Hadron Scattering; Top physics
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Podaci o izdanju
1402
2014.
024-1-024-30
objavljeno
1029-8479
10.1007/JHEP02(2014)024
