\begin{table}%t1 \caption{\label{tab_comp}Mean energy of escaping pairs and radiated power efficiency of the cascade.} \small %\centering \par \begin{tabular}{c c c c c c} \hline\hline \noalign{\smallskip} $\psi$ & $30\degr$ & $60\degr$ & $90\degr$ & $120\degr$ & $150\degr$ \\ \noalign{\smallskip} \hline \noalign{\smallskip} $\left\langle E_{\rm e}\right\rangle$ (GeV) & 400 & 100 & 70 & 200 & 1000 \\ $P_{\rm r}/P_{\rm a}$ & 80\% & 70\% & 60\% & 40\% & 15\% \\ \noalign{\smallskip} \hline \end{tabular} \end{table}