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\usepackage{mathalfa}
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\usepackage{lineno}
\usepackage{xspace}
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\usepackage{booktabs}
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\begin{document}
   
 \begin{tabular}{r@{\,$<$\,}c@{\,$<$\,}lr@{\,$\pm$\,}l}
      \hline
         \multicolumn{3}{c}{$\mbox{$p_{\mathrm{ T}}$}\xspace$  [ $ {\mathrm{\,Ge\kern -0.1em V\!/}c}\xspace$ ]} & \multicolumn{2}{c}{$R_{{\rm FB}}^{\Upsilon(2S)}$} \\    
      \hline
0 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 2 & 0.65 & 0.43  \\
2 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 4 & 1.06 & 0.29  \\
4 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 6 & 0.60 & 0.32  \\
6 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 8 & 0.88 & 0.35  \\
8 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 10 & 1.78 & 0.38  \\
10 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 15 & 1.23 & 0.31  \\
15 & $\mbox{$p_{\mathrm{ T}}$}\xspace$ & 25 & 1.64 & 0.46  \\
       \hline
     \end{tabular}
   
   
\end{document}
