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\begin{document}
 

\begin{tabular}{ccc}
\toprule
Tagger    &  $ B\xspace\xspace^0\xspace\!\rightarrow\xspace  { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace\mskip 2mu}\xspace K\xspace\xspace^0_{\mathrm{ \scriptscriptstyle S}}\xspace$ \xspace &  $ B\xspace\xspace^0\xspace\!\rightarrow\xspace \psi(2S) K\xspace\xspace^0_{\mathrm{ \scriptscriptstyle S}}\xspace$ \xspace\\ \midrule
OS        & \num{3.60 \pm 0.13}                                 & \num{2.46 \pm 0.05}\\
SS        & \num{2.40 \pm 0.28}                                 & \num{1.07 \pm 0.08}\\
OS + SS   & \num{5.93 \pm 0.29}                                 & \num{3.42 \pm 0.09}\\
\bottomrule
\end{tabular}
\end{document}
