DESGIGN PARAMETERS OF THE NORMAL CONDUCTING BOOSTER CAVITY FOR THE PITZ-2 TEST STAND

The normal conducting booster cavity is intended to increase the electron bunch energy in the Photo Injector Test (DESY, Zeuthen) stage 2 experiments [1]. The normal conducting cavity is selected due to infrastructure particularities in DESy Zeuthen. The L-band cavity is designed to provide the accelerating gradient up to 14 MV/m with the total input rf power up to 8.6 MW, rf pulse length up to 900 mks and repetition rate 5 Hz. The multi-cell cavity is based on the CDS compensated accelerating structure with the improved coupling coefficient value. The main design ideas and decisions are described briefly together with cavity parameters - rf properties, cooling and pumping circuits.