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\begin{document}
\begin{tabular}{lcc}
\toprule
Parameter & Value & Constraint \\
\midrule
 $\mathcal{R}$ \xspace                     & $1.093 \pm  0.074$  & free \\
 $\mathcal{R}^*$ \xspace                    & $1.059  \pm0.071$   & free \\
$f_s/f_d\times\mathcal{B}\xspace( D\xspace\xspace^-_ s\xspace\xspace\xspace\rightarrow\xspace K\xspace\xspace^-\xspace K\xspace\xspace^+\xspace\pi\xspace\xspace^-\xspace)$ & $0.0127\pm0.0005$ & $0.0127\pm0.0005$ \\
$\mathcal{B}\xspace( D\xspace\xspace^-\xspace\rightarrow\xspace K\xspace\xspace^+\xspace K\xspace\xspace^-\xspace\pi\xspace\xspace^-\xspace)$ & $0.00993\pm0.00024$ & $0.00993 \pm 0.00024$ \\
$\mathcal{B}\xspace( D\xspace\xspace^{*-}\xspace\!\rightarrow\xspace D\xspace\xspace^-\xspace X)$     & $0.323  \pm0.006$   & $0.323 \pm 0.006$ \\
\toprule
\end{tabular}
\end{document}
