\begin{table}%T3
\caption{Initial parameters for the nominal reference run
(see text for details).}
\label{nom}
\begin{tabular}{ll}
\hline\hline
Minimun size bin  & $3.15\times10^{-4}$~cm\\
Maximum size bin  & $5.4\times10^{6}$~cm\\
$R_{\rm pr}$ ($\beta=0.5$) & $5\times10^{-4}$~cm\\
$\langle e_{0} \rangle$ & 0.1\\
$\langle i_{0} \rangle$ & 0.05\\
$Q_{*}$ law & \citet{benz99}\\
      $b_{1}/b_{2}$ & 1.5\\
      $R_{{\rm s}(i)}$ & $R_{(i)}/2\times10^{5}$ \\    
Excavation coefficient $\alpha$ & $10^{-8}$~s$^{2}$~cm$^{-2}$\\
Initial density & ${\rm d}N\propto R^{-3.5}{\rm d}R$ distribution \\
   & with $M_{\rm dust}= 2\times10^{21}$~g in the annulus\\
 & ($M_{\rm dust}= 2\times10^{22}$~g in the whole inner \\&
 disc)\\
\hline
\end{tabular}
\end{table}