\begin{table}%t2
\caption{Parameterization and references of the energy gaps for superfluid states.\label{Tablegaps}}
%\centerline
 {\begin{tabular}{crrrrrc}
\hline\hline
%\hline\noalign{\smallskip}
Label&$\Delta_0$ ~~ &$k_0$~~~ &$k_1$~~~&$k_2$~~~&$k_3$~~~&Ref. \\
     & (MeV) &(fm$^{-1}$)&(fm$^{-1}$)&(fm$^{-1}$)&(fm$^{-1}$)&\\
\hline\noalign{\smallskip}
\multicolumn{7}{l}{$n$~$^1\rm S_0$}\\
$a$ &68& 0.1&   4& 1.7&   4& 1\\
$b$ & 4& 0.4& 1.5&1.65&0.05& 2\\
$c$ &22& 0.3&0.09&1.05&   4&  3\\
\hline\noalign{\smallskip}
\multicolumn{7}{l}{$p$~$^1\rm S_0$}\\
$e$ & 61&   0&  6&  1.1& 0.6& 4  \\
$f$ & 55&0.15&  4& 1.27&   4& 5 \\
\hline\noalign{\smallskip}
\multicolumn{7}{l}{$n$~$^3\rm P_2$}\\
$h$ &  4.8&  1.07& 1.8& 3.2&   2& 6 \\
$k$ & 0.42&  1.1 & 0.5& 2.7& 0.5&  7\\
$m$ & 2.9 &  1.21& 0.5& 1.62& 0.5 &4\\
\hline
%\hline\noalign{\smallskip}
\end{tabular}}
\par
\smallskip
References. (1)~\cite{Wambach1993}; (2)~\cite{Schulze1998}; (3)~\cite{Chen1986}; 
(4)~\cite{Elgaroy1996}; (5)~\cite{Amundsen1985}; (6)~\cite{Baldo1998}; (7)~\cite{Elgaroy1996a}.
\end{table}