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\begin{document}
	
	
	
	
	\begin{tabular}{r|cc}
	 \textbf{LU observable} & \textbf{Muon (\boldmath{$\times 10^3)$}} & \textbf{Electron (\boldmath{$\times 10^3)$}} \\
	 \hline
low- $ q^2$ \xspace  $ R_K$ \xspace       &  \phantom{$\left(4\right.$}$1.25 \pm 0.04$\phantom{$\left.2\right)\times 10^3$} &
                   \phantom{$\left(\right.$}$0.305 \pm 0.024$\phantom{$\left.\right)\times 10^3$}   \\
low- $ q^2$ \xspace  $ R_{ K\xspace\xspace^*\xspace}$ \xspace     &  \phantom{$\left(4\right.$}$1.001 \pm 0.034$\phantom{$\left.2\right)\times 10^3$}  &
                  \phantom{$\left(\right.$}$0.247 \pm 0.022$\phantom{$\left.\right)\times 10^3$}   \\
central- $ q^2$ \xspace  $ R_K$ \xspace   &  \phantom{$\left(4\right.$}$4.69 \pm 0.08$\phantom{$\left.2\right)\times 10^3$}     &
                \phantom{$\left(9\right.$}$1.19 \pm 0.05$\phantom{$\left.5\right)\times 10^3$}   \\
central- $ q^2$ \xspace  $ R_{ K\xspace\xspace^*\xspace}$ \xspace &  \phantom{$\left(4\right.$}$1.74 \pm 0.05$\phantom{$\left.2\right)\times 10^3$}    &
                \phantom{$\left(\right.$}$0.443 \pm 0.028$\phantom{$\left.\right)\times 10^3$}  \\
 $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace}$ \xspace  $ R_K$ \xspace          &  $\left(2.964 \pm 0.002\right) \times 10^{3}$   & $\left(7.189 \pm 0.015\right) \times 10^{2}$ \\
 $ { J\xspace\mskip -3mu/\mskip -2mu\psi\xspace}$ \xspace  $ R_{ K\xspace\xspace^*\xspace}$ \xspace        &  $\left(9.733 \pm 0.010\right) \times 10^{2}$   & $\left(2.517 \pm 0.009\right) \times 10^{2}$ \\
	\end{tabular}
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