\documentclass{article} 
\begin{document} 
\begin{table}[!h!tb] 
\begin{center} 
\begin{tabular}{|l|c|c|c|c|c|c|c|} \hline \hline 
Observable & $0-15$ & $15-30$ & $30-45$ & $45-80$ & $80-120$ & $120-200$ & $200-250.0$ \\ \hline 
pT4l & 
$0.041^{+0.013+0.005}_{-0.012-0.003}$ & $0.046^{+0.013+0.005}_{-0.012-0.003}$ & $0.029^{+0.011+0.003}_{-0.009-0.002}$ & $0.015^{+0.005+0.002}_{-0.004-0.001}$ & $0.006^{+0.003+0.001}_{-0.002-0.001}$ & $0.002^{+0.001+0.0}_{-0.001-0.0}$ & $0.002^{+0.001+0.0}_{-0.001-0.0}$ 
  \\ \hline 
\end{tabular} 
\end{center} 
\end{table} 
\end{document} 

db7ff729124bd3d54d0645dd304cd841c1f8f773
\documentclass{article} 
\begin{document} 
\begin{table}[!h!tb] 
\begin{center} 
\begin{tabular}{|l|c|c|c|c|c|c|c|} \hline \hline 
Observable & $0-15$ & $15-30$ & $30-45$ & $45-80$ & $80-120$ & $120-200$ & $200-250.0$ \\ \hline 
pT4l & 
$0.041^{+0.013+0.005}_{-0.012-0.003}$ & $0.046^{+0.013+0.005}_{-0.012-0.003}$ & $0.029^{+0.011+0.003}_{-0.009-0.002}$ & $0.015^{+0.005+0.002}_{-0.004-0.001}$ & $0.006^{+0.003+0.001}_{-0.002-0.001}$ & $0.002^{+0.001+0.0}_{-0.001-0.0}$ & $0.002^{+0.001+0.0}_{-0.001-0.0}$ 
  \\ \hline 
\end{tabular} 
\end{center} 
\end{table} 
\end{document} 
