
\documentclass[border=5pt,multi=true]{standalone}
\usepackage{standalone}
\usepackage{ifthen}
\usepackage{microtype}
\usepackage{lineno}
\usepackage{xspace}
\usepackage{graphicx}
\usepackage{color}
\usepackage{colortbl}
\usepackage{tabularx}
\usepackage{dcolumn}
\usepackage{calc}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{upgreek}
\usepackage{hyperref}
\usepackage{hypcap}
\usepackage{cite}
\usepackage{mciteplus}
\usepackage{rotating}
\usepackage{subfig}
\usepackage{nowidow}
\usepackage{afterpage}

\begin{document}
  
    \begin{tabular*}{\linewidth}{@{\extracolsep{\fill}}ccccc} \hline
    \mbox{$p_{\rm T}$}\xspace & \multicolumn{4}{c}{$y$} \\
    ( $ {\mathrm{Ge\kern -0.1em V\!/}c}$ \xspace) & $(2.0, 2.5)$ & $(2.5, 3.0)$ & $(3.0, 3.5)$ & $(3.5, 4.0)$ \\ \hline
    $(2, 8)$ & $   21.4 \pm     8.1 \pm     7.2$ & $   49.9 \pm    11.6 \pm    15.6$ & $   62.9 \pm     7.0 \pm    18.8$ & $   44.2 \pm     8.6 \pm    13.2$ \\
    \hline
  \end{tabular*}
\end{document}
