\begin{table}%t3 %\centering \par \caption{\label{t:tabratio}Original/final mass of GCs required to produce the observed ratios between number of stars in first and second generations.} \begin{tabular}{lcccccc} \hline\hline\noalign{\smallskip} Prim/2nd gen& IMF & $M_{\rm min}$&$M_{\rm max}$&Prim/2nd gen& Original/Current& Field/GCs\\ Current & Slope & & &Original &&\\ (1) & (2) & (3) & (4) & (5) & (6) & (7) \\ \hline \multicolumn{7}{c}{Massive AGB stars (HBB)}\\ 0.5 & 1.35 & 4 & 8 &11.1 & 7.4 & 6.4 \\ 0.5 & 1.85 & 4 & 8 &~9.7 & 6.5 & 5.5 \\ 0.5 & 2.35 & 4 & 8 &15.8 & 10.6 & 9.6 \\ 0.5 & MS & 4 & 8 &~7.3 & 4.9 & 3.9 \\ \hline \multicolumn{7}{c}{Fast rotating massive stars}\\ %\hline 0.5 & 1.35 & 12 &50 & 1.8 & 1.2 & 0.2 \\ 0.5 & 1.85 & 12 &50 & 3.3 & 2.2 & 1.2 \\ 0.5 & 2.35 & 12 &50 &11.2 & 7.5 & 6.5 \\ 0.5 & MS & 12 &50 &~3.0 & 2.3 & 1.3 \\ \hline \end{tabular} \tablefoot{ \tablefoottext{1}{Current ratio between first and second generation stars;} \tablefoottext{2}{slope $\alpha$ of the IMF ($N(M)=M^{-\alpha}$; Salpeter (\cite{Salpeter1955}) IMF has $\alpha=2.35$; MS means that the IMF by Miller \& Scalo (\cite{Miller1979}) is adopted;} \tablefoottext{3}{Minimum polluter mass (in $M_\odot$);} \tablefoottext{4}{maximum polluter mass (in $M_\odot$);} \tablefoottext{5}{original ratio between first and second generation stars;} \tablefoottext{6}{ratio between the number of low-mass stars in the proto-cluster and in the current GC;} \tablefoottext{7}{current ratio of field stars (=primordial population lost by the cluster) and of GC~stars. This is the value that can be compared with observational data.}} \end{table}