\begin{table}%t1
%\centering
\par
\caption{Variation of the  cross sections, for the relative velocity  of $10 \;\textrm{km} \; \textrm{s}^{-1}$,  with the effective principal number. Cross sections are in atomic units.}
\label{table1}
\begin{tabular}{l c c c c c }
\hline
\hline
$n^*$ & $\sigma^2(n 3 \frac{5}{2})$ &$\sigma^2(n 3 3)$& $\sigma^2(n 3 \frac{7}{2})$ & $\sigma^0(n 3 \frac{5}{2} \to n 3 \frac{7}{2})$ & $\sigma^2 (n 3 \frac{5}{2} \to n 3 \frac{7}{2})$\\
\hline
$3.3$ & 426& 782& 491& 478&40	 \\
\hline
$3.4$ & 451& 831& 521& 518&44	 \\
\hline 
$3.5$ &489& 892& 561&565 &51  	\\
\hline 
$3.6$ &	535& 962& 603&616 &58	\\
\hline 
$3.7$&	584& 1055& 654&684 &67	\\
\hline
$3.8$&	637& 1151& 708&768 & 81	\\
\hline 
$3.9$&695& 1249	&765 &865 &96 \\
\hline
$4$&759&1365	 &824&962 &101 \\
\hline 
$4.1$ &835 &1467 &875	&1031 &110 \\
\hline 
$4.2$ &890  & 1572&899	&1119 &108\\
\hline 
$4.3$ &1024& 1777&1051	&1188 &114 \\
\hline 
$4.4$ &1077&1908	&1097	&1297 &121 \\
\hline 
$4.5$ &1236&2166	&1247	&1418 &121\\
\hline 
$4.6$ &	1249&2279& 1306	&1508 &116\\
\hline 
$4.7$ &1420& 2411&1432	&1503&125\\
\hline 
$4.8$ &1485& 2515&1485	&1529 &118\\
\hline 
$4.9$ &1521&2587	&1504	&1630&132\\ 
\hline 
$5$ &1928& 3135	&1845	&1786&130\\ 
\hline 
\end{tabular}
\end{table}