\begin{table}%t1
%\centering
\par
\caption{\label{sremch}List of the SREM channels and the corresponding energy
ranges of detected protons and electrons in MeV units.}
\par
\begin{tabular}{ccccc}
    \hline\hline \noalign{\smallskip}
SREM &  \multicolumn{2}{c}{Proton energy}  &   \multicolumn{2}{c}{Electron energy}   \\
\cline{2-5}
 Channels   &  $E_{\rm min}$ &   $E_{\rm max}$ &   $E_{\rm min}$  & $E_{\rm max}$    \\
    \hline
TC1             & 27 & $\infty$         & 2.00   & $\infty$ \\
S12             & 26 & $\infty$      & 2.08   & $\infty$ \\
S13             & 27 & $\infty$     & 2.23   & $\infty$ \\
S14             & 24 & 542          & 3.20   & $\infty$ \\
S15             & 23 & 434          & 8.18   & $\infty$ \\
TC2             & 49 & $\infty$      & 2.80   & $\infty$ \\
S25             & 48 & 270         & --     & --       \\
C1       & 43 & 86         & --     & --       \\
C2         & 52 & 278          & --     & --       \\
C3         & 76 & 450          & --     & --       \\
C4         & 164 & $\infty$     & 8.10 & $\infty$   \\
TC3             & 12 & $\infty$      & 0.80 & $\infty$   \\
S32             & 12 & $\infty$      & 0.75 & $\infty$   \\
S33             & 12 & $\infty$      & 1.05 & $\infty$   \\
S34             & 12 & $\infty$     & 2.08 & $\infty$   \\
    \hline
\end{tabular}
\vspace*{1cm}
\end{table}