Alec Aivazis edited Intro.tex  over 9 years ago

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\section{Introduction}  Since they were first introduced in 1948, Feynman diagrams have been the go to representation for constructing mathematical expressions commonly found in high energy physics. For a while, high quality diagrams were only necessary for publications and due to the popularity of LaTeX as a typesetting tool, the most commonly used tools to create these diagrams were packages written for the LaTeX environment.\footnote{The UK List of TeX Frequently Asked Questions provides four possibilities for drawing Feynman diagrams in LaTeX: Michael Levine's \text{feynman} bundle ; Jos Vermaseren's \text{jaxodraw}; Thorsten's Ohl's \text{feynmf}; \text{feynman}, \text{axodraw}, \text{feynmf},  and Norman Gray's \text{feyn} package.} \text{feyn}.}  While LaTeX does provide an extremely portable representation of the images, the description of the drawings can be rather cryptic to those who are not intimately familiar with the package.