
\documentclass[border=5pt,multi=true]{standalone}
\usepackage{standalone}
\usepackage{ifthen}
\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}
\usepackage{longtable}

\begin{document}
  
\begin{tabular}{lccc}
    Channel                        & Signal & Charmless background & S-wave background\\\hline
\rule{0pt}{3ex}$ B\xspace\xspace^0_ s\xspace\xspace\xspace\!\rightarrow\xspace \kern 0.2em\overline{\kern -0.2em  D\xspace}{}\xspace^0\xspace\phi\xspace$                & 43$\,\pm\,$8      & $0\,\pm\,2$ & 2$\,\pm\,3$\\
    $ B\xspace\xspace^0_ s\xspace\xspace\xspace\!\rightarrow\xspace \kern 0.2em\overline{\kern -0.2em  D\xspace}{}\xspace^0\xspace\kern 0.2em\overline{\kern -0.2em  K\xspace}{}\xspace^{*0}\xspace\xspace$              & 535$\,\pm\,$30    & $4\,\pm\,3$ & 24$\,\pm\,$7   \\
    $ B\xspace\xspace^0\xspace\!\rightarrow\xspace \kern 0.2em\overline{\kern -0.2em  D\xspace}{}\xspace^0\xspace K\xspace\xspace^{*0}\xspace\xspace$              & 260$\,\pm\,$24    & $4\,\pm\,3$ & 13$\,\pm\,$6   \\
  \end{tabular}
\end{document}
