35 lines
1.1 KiB
TeX
35 lines
1.1 KiB
TeX
\documentclass{article}
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\usepackage[paperheight=50mm,paperwidth=95mm, margin=5mm]{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_eff_diagram} \centering
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\begin{fmfgraph*}(300,100)
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\fmfstraight
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\fmfleft{l3,l4,l5}
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\fmfright{r3,r4,r5}
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\fmf{phantom}{l5,q1,r5}
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\fmf{phantom}{l4,a1,r4}
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\fmf{phantom}{l3,m1,m2,m3,r3}
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\fmfv{d.shape=square,d.filled=hatched,d.size=10}{q1}
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\fmffreeze
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\fmf{fermion,label=$b$,tension=10.0}{l5,q1}
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\fmf{fermion,label=$s$,tension=10.0}{q1,r5}
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\fmf{fermion,label=$l^+$, label.side=right}{m2,q1}
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\fmf{fermion,label=$l^-$}{q1,m3}
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\end{fmfgraph*}
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\end{fmffile}
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\pagestyle{empty}
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\end{document} |