title: [EGS5 code, outline and how to start using the code].
abstract: The outline of EGS5 code is described. History, scope (energy range and particle) of the simulation, major application of the code is mentioned. Physical processes in EGS5 code are described. Procedure to set up of input file and user code for new calculation is explained.
authors.affiliation: High Energy Accelerator Research Organization (KEK) Tsukubu, Ibaraki 305-0801, Japan. yoshihito.namito@kek.jp
authors.forename: Yoshihito
authors.initials: Y
authors.lastname: Namito
authors.affiliation: High Energy Accelerator Research Organization (KEK) Tsukubu, Ibaraki 305-0801, Japan.
authors.forename: Hideo
authors.initials: H
authors.lastname: Hirayama
mesh_terms: D059019:Clinical Coding / Q000592:standards*; D003198:Computer Simulation; D004583:Electrons; D006283:Health Physics; D009010:Monte Carlo Method; D010315:Particle Accelerators; D017785:Photons; D011829:Radiation Dosage; D011835:Radiation Protection / Q000295:instrumentation; D011874:Radiometry / Q000295:instrumentation / Q000379:methods*; D011880:Radiotherapy Planning, Computer-Assisted; D012542:Scattering, Radiation