Results of on-line orbit correction at the medium energy beam transport section of the RAON accelerator

Jin, Hyunchang; Jeon, Dong-O.; Jang, Ji-Ho

doi:10.1007/s40042-023-00919-2

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“…For the successful beam commissioning, various beam dynamics researches have been carried out with machine errors [5][6][7], and several physics application tools have been also developed in connection with the control system [8]. During the beam commissioning, the orbit correction based on the singular value decomposition (SVD) method [9] was carried out to prevent the beam loss and to improve the beam transmission at the LEBT section [10] and the MEBT section [11]. Currently, the beam commissioning is continued to the SCL3 section since 2022.…”

Section: Introductionmentioning

confidence: 99%

Beam test results of the orbit correction at the low-energy superconducting accelerator section in the RAON accelerator

Jin,

Jang,

Jeon

2024

J. Inst.

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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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