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

\begin{document}
\begin{tabular}{l|c|c|c}
        Source          &  $ B\xspace\xspace^+\xspace$ \xspace channel &  $ B\xspace\xspace^0$ \xspace channel &  $ B\xspace\xspace^0_ s\xspace\xspace$ \xspace channel \\
        \hline
        non-resonant decays		& ---   & $1.5$  		& $3.4$  \\%
        data-simulation agreement	& $1.7$ & $0.5$ 		& $2.0$ \\ %
        magnet polarity			& $1.4$ & $0.6$ 		& $0.7$ \\ %
        finite simulation sample size 	& $0.3$ & $0.5$ 		& $0.6$ \\ %
        trigger				& $1.1$ & $1.1$ 		& $1.1$ \\ %
        background shape		& $0.6$ & $0.2$ 		& $0.2$  \\ %
        signal shape 			& $0.7$ & $0.8$ 		& $0.5$  \\ %
        angular distribution		& ---   & $\!\!\!\!\!\!<0.1$ 	& $0.6$  		\\ %
        particle misidentification  	& $0.4$ & $\!\!\!\!\!\!<0.1$ 	& $\!\!\!\!\!\!<0.1$ 	\\ %
        \hline
        Sum in quadrature		& $2.7$ & $2.2$ & $4.3$ \\
\end{tabular}
\end{document}
