Keyword: accelerating-gradient
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THPSC03 Study of Superconducting Accelerating Structures for Megawatt Proton Driver Linac cavity, linac, simulation, proton 318
 
  • S.M. Polozov, K.A. Aliev, A.M. Fadeev, M. Gusarova, T. Kulevoy, M.V. Lalayan, N.P. Sobenin, O. Verjbitskiy
    MEPhI, Moscow, Russia
 
  Funding: This project was supported by the Ministry of Science and Education of Russia under contract No. 14.516.11.0084
The preliminary design of megawatt level proton accelerator-driver is carrying out by collaboration between Russian scientific centers MEPhI, ITEP, Kurchatov Institute. This project was supported in 2013 by the Ministry of Science and Education of Russia. The linac general layout includes SC Spoke-cavities at middle energy range and elliptical cavity at high energy one. The usage of QWR and/or HWR at 10-30 MeV was also discussed. Due to electrodynamics models of all structures types were designed and the electrodynamics characteristics were studied. QWR, HWQ and Spoke-cavities were proposed to operate on 324 MHz and elliptical cavities on 972 MHz. The main electrodynamics simulation results will present in report. The multipactor study results will also discussed.
 
 
THPSC19 Influence of the Different Geometric Parameters of Superconducting Elliptical Cavities on the Multipactor electron, simulation, cavity, multipactoring 362
 
  • M. Gusarova, I.I. Petrushina
    MEPhI, Moscow, Russia
 
  The results of numerical simulations of multipacting in the different superconducting elliptical cavities are presented. Question of influence of the aperture radius, equator shape, iris shape and frequency and electron trajectories for different geometrical parameters of elliptic structures are considered.