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Till, P.L.

Paper Title Page
MOPD036 Simulations of Buncher-cavities with Large Apertures 765
 
  • P.L. Till, P. Kolb, A. Schempp, J.S. Schmidt, M. Vossberg
    IAP, Frankfurt am Main
 
 

Buncher-cavities re-accelerate, bunch or re-bunch particle beams. A special form of these buncher-rf-cavities is a spiral-structure. Two different spiral resonators were simulated and build for the new EBIS LINAC at Brookhaven National Laboratory. These buncher-cavities have a remarkably large aperture of 100 mm. To optimize the cavities to the BNL-frequency of 100 MHz, simulations have been carried out. The impact of changing the gap width, drifttube-, and spiral arm-length on the design of the spiral cavities, has been analyzed. Results of simulations and measurement will be presented.