Error tolerance studies for the superconducting linac of RAON

Abstract

RAON, an ion accelerator, is planned in Daejeon, Korea, by the Rare Isotope Science Project. RAON has three linear accelerators, and they will accelerate various stable ions such as uranium, xenon, oxygen and rare isotopes from the isotopes separation on-line system. The linear accelerators of the RAON adopted superconducting cavities and a warm quadrupole doublet structure. Because the target beam power is 400 kWfor the uranium beam, the small beam loss in the linear accelerators can be concluded to the radiation damage to the devices in this region. As a result, estimating the allowable alignment and radio-frequency errors for the RAON linear accelerator is one of the important topics for this project. In this paper, the beam dynamics simulation results, including such errors, will be described.