EGS4 Source Code Availability and Distribution
The EGS4 code system and its various tools and utilities
are copyrighted by Stanford University and the Canadian
government, either explicitly or implicitly. The EGS4 code can be downloaded and used
by any interested party for non-commercial purposes. Those who wish to obtain a
license to use EGS4 commercially should contact Patrick
Lui in the SLAC Office of Technology Transfer.
The people most responsible for recent
improvements in the EGS4 code system are
- Alex F Bielajew,
- Hideo Hirayama,
- Yoshihito Namito,
- W. R. Nelson, and
- Dave W O Rogers
The latest Jan 2, 1997 unix distribution, version 3, of the EGS4 code is distributed by the
National Research Council of Canada (NRC). The
URL for the NRC download site is
Please contact Dave Rogers if you have
problems downloading the unix distribution from the above site.
The PC version of the EGS4 code was prepared from the standard unix distribution by
Dr. Harry Eleveld. However unlike the current unix distribution,
the latest (Oct. 21, 1997) PC distribution of the EGS4 code includes the
PRESTA bug fix described by Iwan Kawrakow (Oct. 8, 1997), and it also includes
Lahey compiled versions of the XYZDOS benchmark EGS4 application.
The latest distribution of the EGS4 code for WinTel (PC) computers is
NOTE: The PC version of the EGS4 code is distributed as a PKZIP file.
Consequently, you will need zip utility such as the shareware program
last updated 2007-12-07