\begin{table}%t1
\caption{\label{table:prop}Typical combinations of diffusion parameters that are compatible with the B/C
analysis \citep{2001ApJ...555..585M}.}
%
\par
%%\centerline

{
\begin{tabular}{cc cc cc}
\hline\hline
Model  & $\delta$ & $K_0$ & $L$ & $V_{\rm c}$ & $V_{\rm a}$ \\
       &          & [kpc$^2$/Myr] & [kpc] & [km~s$^{-1}$] & [km~s$^{-1}$] \\
\hline
MIN  & 0.85 &  0.0016 & 1  & 13.5 &  22.4 \\
MED  & 0.70 &  0.0112 & 4  & 12   &  52.9 \\
MAX  & 0.46 &  0.0765 & 15 &  5   & 117.6 \\
\hline
\end{tabular}}
\medskip
\par
 As shown in \cite{2004PhRvD..69f3501D}, 
these propagation models correspond respectively to minimal, medium, and maximal 
primary antiproton fluxes.
\end{table}