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\begin{document}
  
  
    \begin{tabular}{l|c}
      \hline
      Source                          & $\delta R( D\xspace\xspace^{*-}\xspace) /
                                        R( D\xspace\xspace^{*-}\xspace) [\%]$ \\
      \hline
      Simulated sample size     & 4.7 \\ %
      Empty bins in templates                            & $1.3$ \\
      Signal decay model               &  1.8 \\ %
      $D^{**}$ $\tau\xspace$ \xspace $\nu\xspace$ \xspace and $D_s^{**}$ $\tau\xspace$ \xspace $\nu\xspace$ \xspace feeddowns & $2.7$ \\ %
      $D_s^+ \rightarrow\xspace 3\pi X$ decay model         & $2.5$ \\
      $B\rightarrow\xspace D^{*-} D_s^+ X$, $B\rightarrow\xspace D^{*-} D^+ X$, $B\rightarrow\xspace D^{*-} D^0 X$ backgrounds & 3.9 \\ %
      Combinatorial background              & $0.7$ \\
      $ B\xspace\rightarrow\xspace D\xspace\xspace^{*-}\xspace3\pi\xspace\xspace X$ background & 2.8 \\ %
      Efficiency ratio                  & 3.9 \\ %
      Normalization channel efficiency (modeling of $ B\xspace\xspace^0\xspace\rightarrow\xspace D\xspace\xspace^{*-}\xspace 3\pi$) & $2.0$ \\ 
      \hline
      Total uncertainty                  & $9.1$ \\
      \hline
    \end{tabular}
\end{document}
