% 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) \fmfpen{thick} \fmfleft{i1,i2} \fmflabel{$p^{\prime}$}{i1} \fmflabel{$p$}{i2} \fmfright{o1} \fmf{fermion,tension=1/3}{i1,v1} \fmf{plain}{v1,v2} \fmf{fermion,label=$p-k$,l.side=left}{v2,v3} \fmf{photon,right,tension=0,label=$k$}{v2,v3} \fmf{plain}{v3,i2} \fmf{photon}{v1,o1} \end{fmfchar*} \end{fmffile} \end{document}