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WEPPC042 |
Design Parameters of Biperiodic Accelerating Structure for Medical Linac with Widely Variable Energy |
529 |
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- Yu. Zuev, M.A. Kalinichenko, V.V. Terentiev
NIIEFA, St. Petersburg, Russia
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Results on the simulation of beam dynamics in an accelerating structure with regulation of particle energy from 6 to 21 MeV are presented. The structure operates in the standing wave mode, consists of two weakly coupled substructures and resonates at closed frequencies f1 , f2. In-phased electromagnetic field oscillations take place in the substructures at frequency f1, whereas anti-phased oscillations occur at frequency f2. Main features of the accelerating structure are electronic control of the beam energy and possibility to form narrow energy spread at both frequencies.
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