<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 8-4-9 on page 559.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{207.83385pt}

\StartShownPreambleCommands
\usepackage{axodraw}
\StopShownPreambleCommands
\begin{document}
Feynman rule for the vertex
$\nu_\mathrm{e}\mathrm{eW}$
\begin{center}
\begin{picture}(160,100)(0,0)
 \ArrowLine(30,50)(10,90)
 \Text(5,85)[]{$\mathrm{e}$}
 \ArrowLine(10,10)(30,50)
 \Text(5,15)[]{$\nu$}
 \ZigZag(30,50)(90,50){3}{6}
 \Text(95,58)[]{$\lambda$}
 \Text(110,50)[l]
  {$\displaystyle\frac{-ig}{2\sqrt{2}}
    \gamma_{\lambda}(1 - \gamma_{5})$}
\end{picture}
\end{center}
\end{document}
</pre></body></html>