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- K. Zhou, T.H. He, C.L. Lao, M. Li, S.F. Lin, X. Luo, L.J. Shan, X. Shen, H. Wang, J. Wang, D. Wu, D.X. Xiao, X. Yang
CAEP/IAE, Mianyang, Sichuan, People's Republic of China
- X.Y. Lu
PKU, Beijing, People's Republic of China
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The CAEP THz-FEL facility is the first high average power THz radiation user facility in China. The superconducting accelerator including double 4-cell superconducting radio frequency (SRF) cavities is one of the most important components for this facility. The construction and horizontal test of the superconducting accelerator have been finished. At 2K state, the effective gradients of both cavities have reached our designed goal, 10 MV/m. This paper mainly presents the commissioning results of the superconducting accelerator. In the commissioning experiments, the kinetic energy of 5mA electron beams can be accelerated to 8 MeV successfully, with the energy spread less than 0.2%, much better than our design goal. Further beam loading experiments are in progress.
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