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\begin{document}
\normalsize
\begin{tabular}{lc}
\hline 
\noalign{\vskip 1mm} 
Source  & $f_L( B\xspace\xspace^0_ s\xspace\xspace\xspace\rightarrow\xspace\kern 0.18em\overline{\kern -0.18em  D\xspace}\xspace{}^{*0}\xspace\phi)$~(\%)  \\
\hline
Trigger efficiency          & 0.2   \\
PID efficiency              & 0.1    \\
$N( B\xspace\xspace^0\xspace\rightarrow\xspace\kern 0.18em\overline{\kern -0.18em  D\xspace}\xspace{}^0\xspace K\xspace\xspace^+\xspace K\xspace\xspace^-\xspace)$       & -      \\
Shape model                 & 3.4    \\
Low mass background         & 1.2   \\
$\mathcal{B}\xspace(\phi\rightarrow\xspace K\xspace\xspace^+\xspace K\xspace\xspace^-\xspace)$        & -      \\
$f_s/f_d$                   & -      \\ 
Fit bias                    & -     \\
\hline
Total                       & 3.6    \\  
\hline
\end{tabular} 
\end{document}
