24 lines
648 B
TeX
24 lines
648 B
TeX
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\documentclass[11pt]{article}
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% \usepackage{amssymb} %maths
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% \usepackage{amsmath} %maths
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% \usepackage[utf8] %useful to type directly diacritic characters
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\usepackage{tikz-feynman}
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\tikzfeynmanset{compat=1.0.0}
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\begin{document}
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\feynmandiagram [horizontal=a to b] {
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i1 -- [fermion] a -- [fermion] i2,
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a -- [photon] b,
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f1 -- [fermion] b -- [fermion] f2,
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};
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\feynmandiagram [horizontal=a to b] {
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i1 [particle=\(e^{-}\)] -- [fermion] a -- [fermion] i2 [particle=\(e^{+}\)],
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a -- [photon, edge label=\(\gamma\), momentum'=\(k\)] b,
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f1 [particle=\(\mu^{+}\)] -- [fermion] b -- [fermion] f2 [particle=\(\mu^{-}\)],
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};
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\end{document}
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