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Strzyzewski, P.

Paper Title Page
TUPMN021 Status of Nb-Pb Superconducting RF-Gun Cavities 962
 
  • J. S. Sekutowicz, J. Iversen, D. Klinke, D. Kostin, W.-D. Moller, A. Muhs
    DESY, Hamburg
  • M. Ferrario
    INFN/LNF, Frascati (Roma)
  • P. Kneisel
    Jefferson Lab, Newport News, Virginia
  • K. Ko, Z. Li, L. Xiao
    SLAC, Menlo Park, California
  • R. S. Lefferts, A. R. Lipski
    SBUNSL, Stony Brook, New York
  • T. Rao, J. Smedley
    BNL, Upton, Long Island, New York
  • P. Strzyzewski
    The Andrzej Soltan Institute for Nuclear Studies, Centre Swierk, Swierk/Otwock
 
  We report on the progress in the status of an electron RF-gun made of two superconductors: niobium and lead. The presented design combines the advantages of the RF performance of bulk niobium superconducting cavities and the reasonably high quantum efficiency of lead. Measured values of quantum efficiency for lead at 2K and the RF-performance of three half-cell niobium cavities with the lead spot exposed to high electric fields are reported in this contribution.