Yields. Lumi = 2.22 fb^{-1}

                    & \multicolumn{2}{c}{El-El}    & \multicolumn{2}{c}{Mu-Mu}    & \multicolumn{2}{c}{El-Mu}    \\      
                    & $N_1$         &$N_2$         & $N_1$         &$N_2$         & $N_1$         &$N_2$         \\      
Drell-Yan           &  58.1         &  1.8         & 104.2         &  3.5         &  23.0         & -2.1         \\      
Non W/Z leptons     &  37.6         & 13.9         &  23.7         &  8.0         & 112.7         & 31.1         \\      
SingleTop           &  91.4         & 31.7         & 129.0         & 45.9         & 340.1         &121.5         \\      
Dibosons            &   3.4         &  0.5         &   5.4         &  1.5         &  13.5         &  1.5         \\      
\hline
Total backgrounds   & 190.5         & 47.9         & 262.4         & 58.8         & 489.4         &152.0         \\      
Signal              & 1516.5        &1004.0        & 2254.1        &1508.5        & 6006.8        &4069.6        \\      
\hline
Data                & 1596.0        &992.0         & 2553.0        &1525.0        & 6186.0        &4040.0        \\      

List of systematical uncertainties 
                         &    \Delta \sigma [pb (\%)] &    \Delta \sigma [pb (\%)] &    \Delta \sigma [pb (\%)] \\
                         &     EE                     &     MM                     &     EM                     
VV modelling             &      0.3  ( 0.0)           &      0.3  ( 0.0)           &      0.3  ( 0.0) \\        
Single-Top modelling     &     12.9  ( 1.7)           &     12.5  ( 1.5)           &     12.0  ( 1.5) \\        
Drell-Yan background     &      8.2  ( 1.1)           &     10.1  ( 1.2)           &      0.8  ( 0.1) \\        
Non-Prompt background    &      5.3  ( 0.7)           &      2.3  ( 0.3)           &      4.0  ( 0.5) \\        
\hline
Muon Efficiencies        &      0.1  ( 0.0)           &     26.7  ( 3.2)           &     12.5  ( 1.6) \\        
Electron Efficiencies    &     25.7  ( 3.4)           &      0.0  ( 0.0)           &     13.3  ( 1.7) \\        
Trigger Efficiencies     &      9.9  ( 1.3)           &     17.3  ( 2.1)           &      9.8  ( 1.2) \\        
Lepton Energy Scale      &      0.9  ( 0.1)           &      0.6  ( 0.1)           &      0.3  ( 0.0) \\        
Jet Energy Scale         &     24.4  ( 3.2)           &     27.3  ( 3.3)           &     17.7  ( 2.3) \\        
Jet Enery Resolution     &      7.5  ( 1.0)           &      8.3  ( 1.0)           &      1.8  ( 0.2) \\        
b-tagging                &      1.1  ( 0.1)           &      1.2  ( 0.1)           &      1.5  ( 0.2) \\        
Mis-tagging              &      0.6  ( 0.1)           &      0.4  ( 0.0)           &      0.3  ( 0.0) \\        
\hline
ScaleME                  &      5.0  ( 0.7)           &      5.3  ( 0.6)           &      2.6  ( 0.3) \\        
NLO generator            &     14.5  ( 1.9)           &      5.1  ( 0.6)           &      2.2  ( 0.3) \\        
Hadronization            &     21.3  ( 2.8)           &      7.2  ( 0.9)           &     15.3  ( 2.0) \\        
PDF                      &      2.4  ( 0.3)           &      2.4  ( 0.3)           &      2.7  ( 0.3) \\        
\hline
Total systematics        &    48.7  ( 6.4)            &    46.9  ( 5.6)            &    34.1  ( 4.3)            
Luminosity               &    20.7  ( 2.7)            &    22.5  ( 2.7)            &    21.2  ( 2.7)\\          
Statistical              &    19.2  ( 2.5)            &    16.5  ( 2.0)            &     9.4  ( 1.2)\\          
\hline
Total                    &    56.3  ( 7.3)            &    54.6  ( 6.5)            &    41.2  ( 5.3) \\         

Measured x-section:
Muon
\sigma_{t\bar{t}} = 834.1  \pm  46.9  \mathrm{(sys.)}  \pm 16.5 \mathrm{(stat.)} \pm 22.5 \mathrm{(lumi.)} \ \mathrm{pb}
Measured x-section:
Elec
\sigma_{t\bar{t}} = 766.2  \pm  48.7  \mathrm{(sys.)}  \pm 19.2 \mathrm{(stat.)} \pm 20.7 \mathrm{(lumi.)} \ \mathrm{pb}
Measured x-section:
ElMu
\sigma_{t\bar{t}} = 784.1  \pm  34.1  \mathrm{(sys.)}