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\begin{document}
  
  
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  \begin{tabular}{l@{\qquad}ccccc}
    \toprule
    \multirow{2}{*}{Method} & \multicolumn{3}{c}{Absolute calibration} & Relative calibration & Total \\
& $\sigma_\mathrm{vis}$~(mb) & Weight & Uncertainty & uncertainty & uncertainty \\
    \midrule
    \multicolumn{6}{l}{ $ pp$ \xspace at $\sqrt{s}=8\mathrm{\,Te\kern -0.1em V}\xspace$} \\
    BGI     & $60.62\pm0.87$ & 0.50 & 1.43\% (0.59\%) & & \\  %
    VDM     & $60.63\pm0.89$ & 0.50 & 1.47\% (0.65\%) & & \\  %
    Average & $60.62\pm0.68$ &      & 1.12\% \phantom{(0.00\%)} & 0.31\% & 1.16\% \\  %
    \midrule
    \multicolumn{6}{l}{ $ pp$ \xspace at $\sqrt{s}=7\mathrm{\,Te\kern -0.1em V}\xspace$} \\
    BGI     & $63.00\pm2.22$ & 0.13 & 3.52\% (1.00\%) & &  \\  %
    VDM     & $60.01\pm1.03$ & 0.87 & 1.71\% (1.00\%) & &  \\  %
    Average & $60.40\pm0.99$ &      & 1.63\% \phantom{(0.00\%)} & 0.53\% & 1.71\% \\  %
    \midrule
    \multicolumn{6}{l}{$pp$\xspace at $\sqrt{s}=2.76\mathrm{\,Te\kern -0.1em V}\xspace$} \\
    BGI     & $52.7\phantom{0}\pm1.2\phantom{0}$ & & 2.20\% \phantom{(0.00\%)} & 0.25\% & 2.21\% \\
    \midrule
    \multicolumn{6}{l}{$p$Pb\xspace at $\sqrt{s_{\mbox{{\it NN}}}}=5\mathrm{\,Te\kern -0.1em V}\xspace$} \\
    VDM     & $\phantom{.}2126\pm49\phantom{.0}$ & & 2.05\% \phantom{(0.00\%)} & 1.03\% & 2.29\% \\
    \midrule
    \multicolumn{6}{l}{Pb$p$\xspace at $\sqrt{s_{\mbox{{\it NN}}}}=5\mathrm{\,Te\kern -0.1em V}\xspace$} \\
    VDM     & $\phantom{.}2120\pm53\phantom{.0}$ & & 2.36\% \phantom{(0.00\%)} & 0.82\% & 2.50\% \\
    \bottomrule
  \end{tabular}
  
\end{document}
