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\begin{document}
  
   
  
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  \begin{tabular*}{0.90\textwidth}{@{\hspace{5mm}}lc@{\extracolsep{\fill}}ccccc@{\hspace{5mm}}}
    \multicolumn{2}{c}{Source}
    &  $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace{} D\xspace^0$ \xspace 
    &  $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace{} D\xspace^+$ \xspace
    &  $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace{} D\xspace^+_{\mathrm{s}}$ \xspace
    &  $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace{}\Lambda^+_{\mathrm{c}}$ \xspace
    \\
    \hline 
     $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}$ \xspace~reconstruction 
    & $\varepsilon^{\mathrm{reco}}_1$
    & $1.3$ & $1.3$ & $1.3$ & $1.3$
    \\
    $\mathrm{C}$~reconstruction 
    & $\varepsilon^{\mathrm{reco}}_2$ 
    & $0.7$
    & $0.8$
    & $1.7$
    & $3.3$
    \\
    Muon ID 
    & $\varepsilon^{\mathrm{ID}}_{ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace}$
    & $1.1$ & $1.1$ & $1.1$ & $1.1$ 
    \\
    Hadron ID 
    & $\varepsilon^{\mathrm{ID}}_{\mathrm{had}}$
    & $1.1$
    & $1.9$
    & $1.1$
    & $1.5$
    \\
    Tracking 
    & $\xi^{\mathrm{trk}}$
    & $4.9$  %
    & $7.0$  %
    & $7.0$  %
    & $7.0$  %
    \\
    Trigger 
    & $\varepsilon^{\mathrm{trg}}_{ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace{}\mathrm{C}\xspace}$
    & $3.0$ & $3.0$ & $3.0$ & $3.0$
    \\
     $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}$ \xspace~polarization 
    & $\varepsilon^{\mathrm{reco}}_{ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace}$
    & $3.0$ & $3.0$ & $3.0$ & $3.0$
    \\
    Global event cuts
    & $\varepsilon^{\mathrm{GEC}}$
    & $0.7$ & $0.7$ & $0.7$ & $0.7$
    \\
    Luminosity
    & $\mathcal{L}$
    & $3.7$ & $3.7$ & $3.7$ & $3.7$
    \\
    $\cal B\xspace ( { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace\rightarrow\xspace\mu\xspace^+\mu\xspace^-\xspace)$
    & $\cal B\xspace_1$
    & $1.0$ & $1.0$ & $1.0$ & $1.0$
    \\
    $\mathrm{C}$ branching fractions
    & $\cal B\xspace_2$
    & 1.3 
    & 4.3 
    & 6.0 
    & 26
    \\
    \hline 
    Total 
    & 
    &  8
    & 10 
    & 11
    & 28
    \\
  \end{tabular*}   
\end{document}
