Calculating the parameters of accelerating structures for continuous-action racetrack microtron

Results of optimization calculations of standing wave accelerating structures for continuous-action racetrack microtron are presented. Calculations were conducted by the ES-1022 computer using PRVD-O and PRUD-OB programs. Accelerator includes injection system composed of electron gun, chopper-buncher capture section and pre-accelerator (electron outlet energy equals 5-7 MeV, phase bunch length - 2-4 deg, average beam current - 100 μA). It includes as well bending magnets and linear accelerator between them. The structure with washers and diaphragms is chosen for capture section and pre-accelerator, biperiodic structure with inner couplng gaps- for linear accelerator. Electron energy at the outlet of microtron equals 100 MeV for 20 orbits. The operation frequency - 2450 MHz