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Kendjebulatov, E.

Paper Title Page
WEPC094 Thermo-Cathode RF Gun for BINP Race-Track Microtron-Recuperator 2213
 
  • V. Volkov, E. Kendjebulatov, S. A. Krutikhin, G. Y. Kurkin, V. M. Petrov, I. K. Sedlyarov, N. Vinokurov
    BINP SB RAS, Novosibirsk
 
  In 2007 the thermo-cathode RF gun for the Budker INP energy recovery linac (ERL) was designed. The RF gun is capable to emit the electron bunches with the energy of 300 keV, average current of 100 mA, and repetition frequency of 90 MHz. The new injector is adapted to the existing RF system for beam bunching, accelerating and injecting to the linac of the microtron. Its advantage is the absence of high potential of 300 kV at the control circuits of the cathode; therefore the maintenance is simplified. Also due to the absence of the cathode back bombardment by residual gas ions in the RF cavity, the lifetime of the cathode is increased and the obtaining of the repetition frequency up to 90 MHz becomes feasible. In the paper the main characteristics of the injector, its design and results of beam dynamics calculations with optimised regimes are presented.