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Kutsaev, S.V.

Paper Title Page
MOP082 Multipacting Simulation in RF Structures 266
  • N.P. Sobenin, M. Gusarova, V.I. Kaminsky, S.V. Kutsaev, M.V. Lalayan
    MEPhI, Moscow
  • L.V. Kravchuk, S.G. Tarasov
    RAS/INR, Moscow

A new computer code for 3D simulation of multipacting phenomenon in axisymmetric and non-axisymmetric rf structures is presented. The goal of the simulation is to determine resonant electron trajectories and electron multiplication in rf structure. Both SW and TW structures of normal- and superconductivity have been studied. Simulation results are compared with theoretical calculations and experimental measurements.

MOP083 Analysis of Input Coupler Asymmetry Influence on Beam Dynamics in Accelerators with Superconducting Cavities 269
  • N.P. Sobenin, S.V. Kutsaev, M.V. Lalayan, V.A. Makarov
    MEPhI, Moscow
  • A.A. Krasnov
    ScanTech, Atlanta, Georgia
  • V.I. Shvedunov
    MSU, Moscow
  • A.A. Zavadtsev
    Introscan, Moscow

Analysis of input coupler asymmetry influence on beam dynamics in superconducting cavities of Energy Recovery Linac (ERL) injector is presented. Both coaxial and waveguide, single and twin input couplers were analyzed. Using computer simulation electromagnetic fields distribution in accelerating cavity was obtained and recalculated to the transverse-kick to the bunch passing the coupler. Also calculation of external coupling was done. RTMTRACE code was adapted for particle beams dynamic simulation. Acceptable transverse emittance growth was achieved for twin-coaxial (4%) and waveguide (5%) input coupler designs.


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THP058 Accelerating Structure for C-Band Electron Linear Accelerator Optimization 921
  • S.V. Kutsaev, A. Anisimov, N.P. Sobenin
    MEPhI, Moscow
  • M.A. Ferderer, A.A. Krasnov, A.A. Zavadtsev
    ScanTech, Atlanta, Georgia

The results of analysis and comparison of different linear accelerator designs for 10 MeV facility powered by 4.5 MW klystron on 5712 MHz operation frequencies presented. Several concepts of accelerator including standing wave and traveling wave ones with either rf or magnetic focusing were considered. Cells geometry and beam dynamics parameters in these types of accelerators featuring high capture factor were obtained using numeric simulation methods. The computer simulation code for traveling wave linac optimization based on beam dynamics with space charge consideration was developed. Accelerating structures and input coupler for traveling wave linac along with standing wave one were designed. The task of energy variation was solved.