
\documentclass[border=5pt,multi=true]{standalone}
\usepackage{standalone}
\usepackage{mathtools}
\usepackage{epsfig}
\usepackage{multirow}
\usepackage{cite}
\usepackage{mciteplus}
\usepackage{ifthen}
\usepackage{booktabs}
\usepackage{microtype}
\usepackage{lineno}
\usepackage{xspace}
\usepackage{graphicx}
\usepackage{color}
\usepackage{colortbl}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsfonts}
\usepackage{upgreek}
\usepackage{hyperref}
\usepackage{hypcap}
\usepackage{cite}
\usepackage{mciteplus}

\begin{document}
\tabcolsep 4mm

\begin{tabular}{@{}llll@{}}
\midrule
\multicolumn{3}{l}{\it Correlated between bins} \\ \midrule
& Mass fits                  & \multicolumn{2}{c}{$\phantom{1}0.7\ {\rm to}\ 2.2$} \\
& Radiative tail            & \multicolumn{2}{c}{$\phantom{1}1.0$}\\
& Muon identification       & \multicolumn{2}{c}{$\phantom{1}1.3$}\\
& Tracking efficiency       & \multicolumn{2}{c}{$\phantom{1}0.9$}\\
& Vertexing                 & \multicolumn{2}{c}{$\phantom{1}1.0$}\\
& Trigger                   & \multicolumn{2}{c}{$\phantom{1}4.0$}\\
& Luminosity                & \multicolumn{2}{c}{$\phantom{1}5.0$}\\
& ${\cal B}( J/\psi\rightarrow\xspace\mu\xspace^+\mu\xspace^-\xspace)$ & \multicolumn{2}{c} {$\phantom{1}1.0$} \\
\midrule
\multicolumn{3}{l}{\it Uncorrelated between bins} \\ \midrule
 & Production model  & \multicolumn{2}{c} {1.0\ {\rm to}\ 6.0} \\
& $t_z$ fit, for  $ J/\psi$  from $b$ & \multicolumn{2}{c} {1.0\ {\rm to}\ 12.0} \\
\bottomrule
\end{tabular}
\end{document}
