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\begin{document}

\begin{tabular}{lcc}
\hline
Source of uncertainty & $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace  K\xspace\xspace^+\xspace K\xspace\xspace^-\xspace$ & $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace a_0(980)$  \\
\hline  
Tracking efficiency & 1.0&1.0 \\
Material and physical effects &2.0 & 2.0\\
PID efficiency & 1.0 &1.0 \\
$\kern 0.18em\overline{\kern -0.18em  B\xspace}{}\xspace^0\xspace$ $p$ and $\mbox{$p_{\rm T}$}\xspace$ distributions & 0.5 &0.5\\
$ B\xspace\xspace^-\xspace\xspace$ $p$ and $\mbox{$p_{\rm T}$}\xspace$ distributions & 0.5 &0.5\\
Simulation sample size & 0.6&0.6\\
Background modeling& 5.7 & 5.7\\
$\mathcal{B}( B\xspace\xspace^-\xspace\xspace\rightarrow\xspace  { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace K\xspace\xspace^-\xspace)$&4.1&4.1\\
Alternate model&-&13.4\\
\hline
Total &7.5&15.4\\
\hline
\end{tabular}
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