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Published on: June 27, 2022
Emittance study of a 28 GHz electron cyclotron resonance ion source for the Rare Isotope Science Project
Bum-Sik Park1, In-Seok Hong1, Ji-Ho Jang1
1Rare Isotope Science Project, Institute for Basic Science, Daejeon 305-811, South Korea.
Abstract:
A 28 GHz electron cyclotron resonance (ECR) ion source is being developed for use as an injector for the superconducting linear accelerator of the Rare Isotope Science Project. Beam extraction from the ECR ion source has been simulated using the KOBRA3-INP software. The simulation software can calculate charged particle trajectories in three dimensional complex magnetic field structures, which in this case are formed by the arrangement of five superconducting magnets. In this study, the beam emittance is simulated to understand the effects of plasma potential, mass-to-charge ratio, and spatial distribution. The results of these simulations and their comparison to experimental results are presented in this paper.
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