IPAC'24 - 15th International Particle Accelerator Conference

Measurements of the time-structure of the current to a single injection kicker module and simulation of its effect on the transverse beam dynamics in SIS100

WEPR61

22 May 2024, 16:00

2h

Rock 'n Roll (MCC Exhibit Hall A)

Poster Presentation MC5.D11 Code Developments and Simulation Techniques Wednesday Poster Session

Speaker

Markus Kirk (GSI Helmholtzzentrum für Schwerionenforschung GmbH)

Description

Distortions in the SIS100 injection kicker’s pulse time-form gives rise to beam emittance increase in the horizontal plane. Particle tracking simulations of the primary beam were carried out to try to predict the emittance at the end of the injection process for the modes of operation for antiproton (p̅) and Radioactive Ion Beam (RIB) production. The RIB cycle’s beam grew to just beyond the acceptance of the slow extraction separatrix at 27 Tm. During p̅ mode with the longitudinal RF cavities set to bunch the beam at the 5th harmonic of the beam revolution frequency instead of the originally planned 10th harmonic, the beam emittance increase was considerably reduced, resulting in -at most- negligible beam loss at the halo collimator.