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The EGS Code System: Computer Programs for the Monte Carlo Simulation of Electromagnetic Cascade Showers (V.3)

Richard L. E. Ford, USDOE Office of Science (SC), Walter Nelson

1978

108 citations

Abstract

The EGS* Code System (Version 3) is a package of computer programs that simulate the development of electromagnetic cascade showers in various media using the Monte Carlo method. A number of shower codes have been written during the last 10 to 15 years and a short summary of these codes, as well as the historical development of EGS, is presented in the following paragraphs. The Monte Carlo method was originally suggested by Ulam and von Neumann (1947), and was first used by Goldberger (1948) in order to study nuclear disintegrations produced by high-energy particles. The first application of the Monte Carlo technique to study shower production was done by Wilson (1952). Wilson's approach was a simple graphical- mechanical one that was apparently quite tedious, but was still an improvement over analytical methods available at the time --- particularly in studying the average behavior of showers and fluctuations about the average (Rossi 1952).

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