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


\graphicspath{{./figs/}}

\begin{document}
\DeclareGraphicsExtensions{.pdf}
\setlength{\unitlength}{1mm}
  \centering
  \begin{picture}(150,45)
    \put(0,0){
      \includegraphics*[width=75mm,height=45mm,%
      ]{figs/Fig1a.pdf}
    }
    \put(75,0){
      \includegraphics*[width=75mm,height=45mm,%
      ]{figs/Fig1b.pdf}
    }
    \put(5,20)  { $\ensuremath{\ensuremath{\ensuremath{B}\xspace}\xspace^0}\xspace$ }
    \put(10,3)  { $\mathrm{d}$ }
    \put(10,37) { $\mathrm{\bar{b}}$ }
    \put(37,27) { $\mathrm{W^-}$ }
    \put(60,3)  { $\mathrm{d}$ }
    \put(60,37) { $\mathrm{\bar{c}}$ }
    \put(60,13) { $\mathrm{\bar{d}}$ }
    \put(60,25) { $\mathrm{c}$ }
    \put(65,32) { $\ensuremath{{\ensuremath{J}\xspace\mskip -3mu/\mskip -2mu\ensuremath{\psi}\xspace\mskip 2mu}}\xspace$ }
    \put(65,9)  { $\ensuremath{\rho}\xspace^0,\ensuremath{\omega}\xspace$ }
    \put(80,20)  { $\ensuremath{\ensuremath{\ensuremath{B}\xspace}\xspace^0_\ensuremath{\ensuremath{s}\xspace}\xspace}\xspace$ }
    \put(85,3)  { $\mathrm{s}$ }
    \put(85,37) { $\mathrm{\bar{b}}$ }
    \put(112,27) { $\mathrm{W^-}$ }
    \put(135,3)  { $\mathrm{s}$ }
    \put(135,37) { $\mathrm{\bar{c}}$ }
    \put(135,13) { $\mathrm{\bar{s}}$ }
    \put(135,25) { $\mathrm{c}$ }
    \put(140,32) { $\ensuremath{{\ensuremath{J}\xspace\mskip -3mu/\mskip -2mu\ensuremath{\psi}\xspace\mskip 2mu}}\xspace$ }
    \put(140,9)  { $\ensuremath{\eta}\xspace,\ensuremath{\eta}\xspace^{\prime}$ }
  \end{picture}
\end{document}
