Abstract

The RAON accelerator has been constructed for various science programs with stable ions and rare isotopes since 2011. After the installation of the injector section was completed in 2020, the low-energy superconducting accelerator (SCL3) section was also installed consecutively until 2022, and the beam commissioning using an argon beam is in progress from the injector section to the SCL3 section. For successful beam commissioning, various beam dynamics studies have been carried out, and the research of the orbit correction has been also conducted to determine the location and the number of steering magnets and BPMs for safe and efficient beam operation. In the SCL3 section, the orbit correction simulation was carried out as varying the number of steering magnets for the consideration of the correction of distorted beam orbit and the economic benefits, and then the beam test was carried out based on the simulation results during the beam commissioning. Here we will present the results of simulations and experiments for the orbit correction at the SCL3 section in the RAON accelerator.

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