List of systematical uncertainties \toprule & \Delta \sigma [pb (\%)] \\ B-tagging & 2.81 (0.32) \\ Mis-tagging & 1.76 (0.20) \\ Jet Energy Scale & 1.97 (0.23) \\ Jet Enery Resolution & 1.39 (0.16) \\ Lepton Energy Scale & 2.24 (0.26) \\ Lepton Efficiencies & 12.42 (1.43) \\ Trigger Efficiencies & 8.84 (1.02) \\ Luminosity & 0.00 (0.00) \\ ScaleME & 8.06 (0.93) \\ \midrule SingleTop & 24.24 (2.79) \\ & 0.00 (0.00) \\ WJets & 0.23 (0.03) \\ ZJets & 4.40 (0.51) \\ Diboson & 0.99 (0.11) \\ TTbar semilept & 1.51 (0.17) \\ \midrule Total systematics & 30.49 (3.51) \\ Statistical & 14.80 (1.70)\\ Luminosity & 43.42 (5.00)\\ \midrule Total & 55.08 (6.34)\\ \bottomrule Measured x-section: \sigma_{t\bar{t}} = 868.37 \pm 30.49 \mathrm{(sys.)} \pm 14.80 \mathrm{(stat.)} \pm 43.42 \mathrm{(lumi.)} \ \mathrm{pb} Eps b 0.507172