ABSTRACT
I. Brief history of the Los Alamos Accelerator Code Group Since 1986, the Los Alamos Accelerator Code Group (LAACG) has received funding from the U.S. Department of Energy. The LAACG is a national resource for members of the accelerator community who use and/or develop software for the design and analysis of particle accelerators, and beam transport systems. We distribute accelerator design and simulation codes via the world-wide web and maintain an online compendium of accelerator codes at https://laacgl.lanl.gov/laacg/componl.html. Figure I shows the website layout for the code compendium. We presently have over 1300 registered users world-wide using our codes and accessing our website. The code group resides in the Accelerator Physics and Engineering Group, LANSCE-1, at Los Alamos National Laboratory. Initially, funding was received to maintain and document a standard version of POISSON!SUPERFlSH, a collection of programs for calculating static magnetic and electric fields, and radio-frequency electromagnetic fields in either 2-D Cartesian coordinates or axially symmetric cylindrical coordinates. Designers of modem high-energy physics machines use POISSON/SUPERFlSH to design magnets, accelerator cavities, and other beam-line components. Significant improvements in the accuracy and ease of use of the POLSSON/SUPERFlSH group of codes have resulted due to the past efforts of members of the LAACG. ln the early 1990s the LAACG added support of other workhorse accelerator design codes: P ARMELA, P ARMILA and TRACE 3-D. At about the same time, due to rapidly increasing desktop computing capabilities, the code group began migration of these programs from older mainframe computers to PC desktop machines. Now all the supported codes run on PC desktop machines.
