
\documentclass[border=5pt,multi=true]{standalone}
\usepackage{standalone}
\usepackage{ifthen}
\usepackage{microtype}
\usepackage{lineno}
\usepackage{xspace}
\usepackage{caption}
\usepackage{graphicx}
\usepackage{color}
\usepackage{colortbl}
\usepackage{amsmath}
\usepackage{amssymb}
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\usepackage{upgreek}
\usepackage{subfigure}
\usepackage{booktabs}
\usepackage{lscape}
\usepackage{feynmf}
\usepackage{tikz}
\usepackage{hyperxmp}
\usepackage{hyperref}
\usepackage{todonotes}
\usepackage{footmisc}
\usepackage{hypcap}
\usepackage{xspace}
\usepackage{upgreek}
\usepackage{cite}
\usepackage{mciteplus}
\usepackage{longtable}
\usepackage{multirow}
\usepackage{afterpage}
\usepackage{xcolor}
\usepackage{placeins}
\usepackage{float}

\begin{document}
\small
 
 
  \begin{tabular}{l|c c c}
  \toprule
    & Run 1 & Run 2     & Common \\
    \midrule
   $ B\xspace\xspace^0$ \xspace mean $(\!\text{\,Me\kern -0.1em V\!/}c^2\xspace)$ & $5284.61\pm 0.18$ & $5280.13 \pm 0.16$ & -\\
   $ B\xspace\xspace^0_ s\xspace\xspace$ \xspace mean (\! $\text{\,Me\kern -0.1em V\!/}c^2$ \xspace) & $5372.27\pm 0.36$ & $5367.54 \pm 0.26$ & -\\
  \midrule
   $ B\xspace\xspace^0$ \xspace width (\! $\text{\,Me\kern -0.1em V\!/}c^2$ \xspace) & $22.4 \pm 0.7$ & $21.6 \pm 0.6$ & -\\
   $ B\xspace\xspace^0_ s\xspace\xspace$ \xspace width (\! $\text{\,Me\kern -0.1em V\!/}c^2$ \xspace) & $22.8 \pm 0.7$ & $22.0 \pm 0.6$ & -\\
  \midrule
 $n_l$ tail & $1.55 \pm 0.06$ & $1.49 \pm 0.02$ & $1.50 \pm 0.04$ \\
 $n_r$ tail  & $5.86 \pm 0.31$ & $5.80 \pm 0.24$ & $5.81 \pm 0.26$ \\
 $\alpha_l$ tail  & $1.79 \pm 0.03$ & $1.79 \pm 0.01$ & $1.79 \pm 0.02$ \\
 $\alpha_r$ tail  & $2.12 \pm 0.04$ & $2.14 \pm 0.03$ & $2.14 \pm 0.04$ \\
    \bottomrule
  \end{tabular}
 
\end{document}
