PhD-Kopecna-Renata/Feynman/bsll_DM.tex
2022-01-19 11:20:31 +01:00

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\documentclass{article}
\usepackage[paperheight=60mm,paperwidth=95mm, margin=10mm]{geometry}
\usepackage{feynmp-auto}
\addtolength{\oddsidemargin}{-10mm}
\addtolength{\evensidemargin}{-10mm}
% commas in feynmp sometimes lead to strange errors, use \comma instead
\DeclareMathSymbol{\comma}{\mathpunct}{letters}{"3B}
\begin{document}\LARGE
\centering
\begin{fmffile}{bsll_DM_diagram} \centering
\begin{fmfgraph*}(280,110)
\fmfleft{l1,l2}
\fmfright{r1,r2}
\fmf{phantom}{l1,w1,w2,r1}
\fmf{phantom}{l2,v1,v2,r2}
\fmffreeze
\fmf{fermion,label=$\l^+$,label.side=left}{r1,w2}
\fmf{fermion,label=$\chi$,label.side=left}{w2,w1}
\fmf{fermion,label=$\bar{s}$,label.side=left}{w1,l1}
\fmf{fermion,label=$b$,label.side=left}{l2,v1}
\fmf{fermion,label=$\chi$,label.side=left}{v1,v2}
\fmf{fermion,label=$\l^-$,label.side=left}{v2,r2}
\fmf{dashes,label=$\phi_q$,label.side=left}{w1,v1}
\fmf{dashes,label=$\phi_q$}{w2,v2}
\end{fmfgraph*}
\end{fmffile}
\pagestyle{empty}
\end{document}