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\begin{document}
  
  
  
  \begin{tabular}{ l | l l l l l l l}
   \hline
              &  $\gamma$ \xspace              &  $ r_B^{DK}$ \xspace             &  $\delta_B^{DK}$ \xspace             &  $ r_B^{DK^{*0}}$ \xspace        &  $\delta_B^{DK^{*0}}$ \xspace        &  $ r_B^{D\pi}$ \xspace           &  $\delta_B^{D\pi}$ \xspace           \\
   \hline
     $\gamma$ \xspace        & \phantom{-}1    & \phantom{-}0.52 & \phantom{-}0.51 & \phantom{-}0.22 & -0.16           & -0.12           & \phantom{-}0.01 \\
     $ r_B^{DK}$ \xspace       & \phantom{-}0.52 & \phantom{-}1    & \phantom{-}0.41 & \phantom{-}0.11 & -0.08           & \phantom{-}0.03 & \phantom{-}0.10 \\
     $\delta_B^{DK}$ \xspace       & \phantom{-}0.51 & \phantom{-}0.41 & \phantom{-}1    & \phantom{-}0.11 & -0.06           & -0.19           & -0.01           \\
     $ r_B^{DK^{*0}}$ \xspace  & \phantom{-}0.22 & \phantom{-}0.11 & \phantom{-}0.11 & \phantom{-}1    & -0.13           & -0.02           & \phantom{-}0    \\
     $\delta_B^{DK^{*0}}$ \xspace  & -0.16           & -0.08           & -0.06           & -0.13           & 1               & \phantom{-}0.01 & \phantom{-}0    \\
     $ r_B^{D\pi}$ \xspace     & -0.12           & \phantom{-}0.03 & -0.19           & -0.02           & \phantom{-}0.01 & 1               & \phantom{-}0.83 \\
    $\delta_B^{D\pi}$ \xspace     & \phantom{-}0.01  & \phantom{-}0.10 & -0.01           & \phantom{-}0    & \phantom{-}0    & \phantom{-}0.83 & 1               \\
   \hline
  \end{tabular}
\end{document}
