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\begin{document}
  
   
  
  \begin{tabular*}{0.65\textwidth}{@{\hspace{5mm}}l@{\extracolsep{\fill}}c@{\hspace{5mm}}}
    ~~Source   
    & $\upsigma_{\Delta\Gamma}$ $\left[\rm \,mm\xspace^{-1}{\mathit{c}}\right]$  
    \\
    \hline 
    Fit model\,(signal and background) &  $0.012$  \\
    $ct$~fit range                     &  $0.040$  \\
    $ct$~binning                       &  $0.016$  \\
    Acceptance                         &  \\
    ~~~Simulation sample size          &  $0.011$  \\ 
    ~~~$\mathtt{MLP}$~filtering        &  $0.025$  \\
    ~~~ $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}$ \xspace~displacement              &  $0.050$  \\
    \hline  
    Total                              &  $0.072$  
  \end{tabular*}   
\end{document}
