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