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\begin{document}
\begin{tabular}{@{}lcccc@{}}
Source of uncertainty       & 8 $\mathrm{\,Te\kern -0.1em V}$ \xspace & 7 $\mathrm{\,Te\kern -0.1em V}$ \xspace & 2.76 $\mathrm{\,Te\kern -0.1em V}$ \xspace \\ %
\midrule
\multicolumn{4}{c}{Overlap integral measurement}\\ 
Beam-beam resolution        & 0.93 & 1.00  & 0.40  \\
Beam-gas resolution         & 0.55 & 2.80  & 1.31  \\
Detector alignment          & 0.45 & 0.30  & 0.90  \\
Fit model                   & 0.50 & 1.50  & 0.50  \\
Measurement spread          & 0.54 & 1.00  & 1.30  \\
Reconstruction efficiency   & 0.04 & 0.20  & 0.17  \\
Bunch length and $z_{\rm rf}$     & 0.05 & 0.10  & 0.10  \\
Pressure gradient           & 0.03 & 0.03  & 0.03  \\
VELO transverse scale       & 0.05 & 0.05  & 0.05  \\
Statistical uncertainty     & 0.01 & 0.25  & 0.03  \\
\midrule
\multicolumn{4}{c}{Bunch population uncertainties} \\ %
FBCT non-linearity          & 0.04 & 0.05 & 0.05  \\
DCCT population product     & 0.22 & 0.24 & 0.28  \\
Ghost charge                & 0.02 & 0.10 & 0.07  \\
Satellite charge            & 0.06 & 0.25 & 0.08  \\
\midrule
\multicolumn{4}{c}{Rate measurement} \\ %
Background subtraction      & 0.20 & 0.05 & 0.20  \\
Ratio of observable \emph{Track} to \emph{Vertex}    & 0.20 & n.a. & 0.20  \\       %
\midrule                                          
Final $\delta\sigma_{\text{Track}}/\sigma_{\text{Track}}$    & 1.43 & 3.50  & 2.20  \\       %
\end{tabular}
\end{document}
