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\begin{document}
  
   
  
  \begin{tabular*}{0.8\textwidth}{@{\hspace{10mm}}l@{\extracolsep{\fill}}c@{\hspace{10mm}}}
    Source & Uncertainty~$\left[\%\right]$
    \\
    \hline
    Fit model                              &  6.6  \\
    Decay model                            &       \\ 
    ~~$m_{3\pi\xspace\xspace^+\xspace2\pi\xspace\xspace^-\xspace}$~reweighting            &  7.7  \\ 
    ~~$\psi\xspace{\mathrm{(2S)}}\xspace$ mass veto                 &  3.1  \\
    Data-simulation agreement     &  \\ 
    ~~Hadron interactions                  &  $4\times2.0$  \\
    ~~Track quality selection              &  $4\times0.6$  \\
    ~~Trigger                              &  1.1           \\ 
    ~~Pion identification                  &  0.7           \\ 
    ~~Selection variables                  &  1.0            \\
    $ B\xspace\xspace_ c\xspace\xspace^+\xspace$ lifetime                    & 0.9 \\
    Stability for various data taking conditions & 2.5 \\ 
    Acceptance                        &  0.8 \\ 
    \hline
    Total    &  13.9\phantom{0}
  \end{tabular*}
 
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