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

\begin{document}
   	
    
  \begin{tabular}{ lcc }
    \hline
    & $\cal B\xspace\left( B\xspace\xspace^0\xspace      \rightarrow\xspace  D\xspace\xspace^-\xspace         K^+\,\right)$ &  $ f_s/f_d$ ~ \\
    \hline
    PID calibration & $2.5\%$  & $1.0\%$/$2.5\%$ \\
    Fit model & $2.8\%$ & $2.8\%$ \\
    Trigger simulation & $2.0\%$ & $2.0\%$ \\
    $\cal B\xspace( B\xspace\xspace^0\xspace      \rightarrow\xspace  D\xspace\xspace^-\xspace       \pi^+\,)$  & $4.9\%$ & \\
    $\cal B\xspace(D^+_s\rightarrow K^+K^-\pi^+)$  & & $4.9\%$ \\
    $\cal B\xspace(D^+\rightarrow K^-\pi^+\pi^+)$  & & $2.2\%$ \\
    $\tau_{B_s}/\tau_{B_d}$ & & $1.5\%$ \\
    \hline
  \end{tabular}
	
  
\end{document}
