Measurement of the ttbbar production cross section using events in the e mu final state in pp collisions at sqrt(s)=13 TeV

The CMS collaboration
Eur.Phys.J.C 77 (2017) 172, 2017.

Abstract (data abstract)
The cross section of top quark-antiquark pair production in proton-proton collisions at $\sqrt{s}$ = 13 TeV is measured by the CMS experiment at the LHC, using data corresponding to an integrated luminosity of 2.2 inverse femtobarns. The measurement is performed by analyzing events in which the final state includes one electron, one muon, and two or more jets, at least one of which is identified as originating from hadronization of a b quark. The measured cross section is 815 +/- 9 (stat) +/- 38 (syst) +/- 19 (lumi) pb, in agreement with the expectation from the standard model.

  • Table 1

    Data from Page 7 of preprint, Table 1


    Summary of the individual contributions to the uncertainty in the $\sigma_{t\bar{t}}$ measurement.

  • Table 2

    Data from Page 8 of preprint


    Measurement of the $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s} = 13$ TeV.

  • Table 3

    Data from Page 9 of preprint, Table 2


    Number of dilepton events obtained after applying the full selection. The results are given for the individual sources of background,...

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