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

\begin{document}
\begin{tabular}{lr}
Source                                  & Uncertainty (\%) \\ \hline
Unknown \chibJ1P mixture                &  7 \\
Photon reconstruction efficiency        &  6 \\
Signal and background description       &  5 \\ \hline
Quadratic sum of the above              & 10 \\
\end{tabular}
\end{document}
