vec_dm_g.tex
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vec_dm_g.tex
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	\RequirePackage[l2tabu, orthodox]{nag} % Issues warnings if deprecated packages are used
	\documentclass{standalone}

	% my standard packages
	\usepackage{mathtools,amsfonts}
	\usepackage{xcolor}
	\usepackage[UKenglish]{babel}
	\usepackage[utf8x]{inputenc}
	\usepackage[T1]{fontenc}
	\usepackage{lmodern}
	\usepackage{microtype}

	\usepackage{feynmp-auto}

	\newcommand{\fmfinclude}{%
	% new style definitions come here
	}

	% commas in feynmp sometimes lead to strange errors, use \comma instead
	%%\DeclareMathSymbol{\comma}{\mathpunct}{letters}{``3B}

	\begin{document}
	\begin{fmffile}{fmf_temp_file}
	\fmfframe(5,20)(25,15){% adjust the padding here to avoid labels being out of bounds
	\begin{fmfgraph*}(150,75)
	\fmfright{o1,o2,o3}
	\fmfleft{i1,i2}
	\fmflabel{$g$}{o3}
	\fmflabel{$\psi,q$}{o1}
	\fmflabel{$\bar{\psi},\bar{q}$}{o2}
	\fmflabel{$\bar{q}$}{i2}
	\fmflabel{$q$}{i1}
	\fmf{gluon}{v3,o3}
	\fmf{quark}{v1,v3}
	\fmf{boson, label=$Z'$}{v1,v2}
	\fmf{quark}{i1,v1}
	\fmf{quark}{v3,i2}
	\fmf{quark}{v2,o1}
	\fmf{quark}{o2,v2}
	\fmfdot{v1,v2,v3}
	\end{fmfgraph*}
	}
	\end{fmffile}
	\end{document}