% mod_tex: distributed LaTeX-rendering over Apache % Copyright (C) 2007 Peter Danenberg % See doc/COPYING for details. \documentclass[12pt]{article} \usepackage[nonstop]{feynmp} \unitlength=1mm \pagestyle{empty} \begin{document} \begin{fmffile}{feyn-mp} \begin{fmfchar*}(40,25) \begin{fmfgraph}(40,25) \fmfpen{thick} \fmfleft{i1,i2} \fmfright{o1,o2,o3,o4} \fmf{fermion}{i1,v1,i2} \fmf{boson}{v1,v2} \fmf{fermion}{o1,v2,v3,o4} \fmffreeze \fmf{boson}{v3,v4} \fmf{fermion}{o3,v4,o2} \end{fmfgraph} \end{fmfchar*} \end{fmffile} \end{document}