
%%%%%%%%%%%%%%%%%%%%%% Feynman diagram for TChiHZ

\documentclass[border={20pt 20pt 20pt 20pt}]{standalone}
\usepackage{feynmp}
\DeclareGraphicsRule{*}{mps}{*}{} % for being able to read the produced file



%%%%%%%%%%%%%%%%%%%%%%%%%%% Document %%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{document}
\thispagestyle{empty}


%%%%%%%% THE NAME OF THE fmffile HAS TO BE ``Feynman<filename>'' TO USE compile.py %%%%%%%%%%%%%%%
\Large
\begin{fmffile}{feyngraph}
  \begin{fmfgraph*}(250,100)
    \fmfstraight
    \fmfleft{i1,i2}
    \fmfright{o1,o3,o2}
    % gluons
    \fmf{gluon}{i1,t1}
    \fmf{gluon}{t2,i2}
    \fmf{phantom,tension=5}{i1,t1,o1}
    \fmf{phantom,tension=5}{i2,t2,o2}
    \fmffreeze
    % tops
    \fmf{fermion,tension=2}{o1,t1,t3,t2,o2}
    % Higgs boson
    \fmf{dashes,tension=0}{t3,o3}

    % labels
    \fmflabel{g}{i1}
    \fmflabel{g}{i2}
    \fmflabel{$\mathrm{t}$}{o2}
    \fmflabel{$\bar{\mathrm{t}}$}{o1}
    \fmflabel{H}{o3}
  \end{fmfgraph*}
\end{fmffile}

\end{document}
