Centre d'études et d'expertise sur les risques, l'environnement, la mobilité et l'aménagement

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Beam Delivery Simulation (BDSIM) is a program that simulates the passage of particles in a particle accelerator. It uses a suite of standard high energy physics codes (Geant4, ROOT and CLHEP) to create a Geant4 model of a particle accelerator that mixes accelerator tracking routines with all of the physics processes and particles of Geant4. This combination permits radiation and detector background simulations in accelerators where accurate tracking of all particles is required over long range or over many revolutions of a circular machine.