Speaker
Description
The HElmholtz LInear ACcelerator (HELIAC) at GSI is a superconducting continuous-wave (cw) LINAC, designed to deliver heavy-ion beams to user experiments at GSI. Building on the successful integration, commissioning and operation of the first cryomodule CM1 utilizing cavities CH0, CH1, and CH2, current efforts emphasize on fabrication and testing of the next series: CH3 - CH8.
Cavities CH3–CH8 have been designed and validated through dedicated advanced simulations. The manufacturing of components for CH3 and CH4 cavities now undergoing electron beam welding. The targeted design resonance frequency of 216.816 MHz will be fine-tuned via buffered chemical polishing (BCP) and compensation procedures to address manufacturing tolerances. The cavity design and tuning strategy will be presented in this contribution.
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