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Palpini, F.

Paper Title Page
RPPT014 Design and Measurements of an X-Band Accelerating Cavity for SPARC 1407
  • D. Alesini, M. Ferrario, B. Spataro
    INFN/LNF, Frascati (Roma)
  • A. Bacci
    INFN/LASA, Segrate (MI)
  • A. Falone, M.  Migliorati, A. Mostacci, F. Palpini, L. Palumbo
    Rome University La Sapienza, Roma
  The paper presents the design of an X-band accelerating section for linearizing the longitudinal phase space in the Frascati Linac Coherent Light Source (SPARC). The structure, operating on the pi standing wave mode, is a 9 cells structure feeded by a central waveguide coupler and has been designed to obtain a 5 MV accelerating voltage. The 2D profile has been obtained using the e.m. codes SUPERFISH and OSCARD2D while the coupler has been designed using HFSS. Bead-pull measurement made on a copper prototype are illustrated and compared with the numerical results. Mechanical details of the realized prototype and RF properties of the structure as a function of the assembly characteristics are also discussed.