Beam physics design of a superconducting linac

Zhi-Jun Wang; Shu-Hui Liu; Wei-Long Chen; Wei-Ping Dou; Yuan-Shuai Qin; Yuan He; Yong-zhi Jia; Chi Feng; Man Yi; Yi-Meng Chu; Duan-Yang Jia; Jun-Ren Huang; Hong-Wei Zhao

doi:10.1103/PhysRevAccelBeams.27.010101

Beam physics design of a superconducting linac

Zhi-Jun Wang, Shu-Hui Liu, Wei-Long Chen, Wei-Ping Dou, Yuan-Shuai Qin, Yuan He, Yong-zhi Jia, Chi Feng, Man Yi, Yi-Meng Chu, Duan-Yang Jia, Jun-Ren Huang, Hong-Wei Zhao

DOI 10.1103/PhysRevAccelBeams.27.010101 · Physical Review Accelerators and Beams

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Abstract

The China initiative Accelerator-Driven subcritical System (CiADS) project aims to design and build the world’s first accelerator-driven subcritical system demonstration facility. The facility will attain 2.5 MW thermal power in 2026 to realize accelerator-target-reactor coupling experiments. As the first approved accelerator-driven subcritical system facility, the CiADS driver linac will adopt cutting-edge accelerator technologies to achieve the challenging goals of high beam power and high reliability. The accelerator will operate in cw mode to produce a 500 MeV, 5 mA proton beam. To meet the extremely high demands on beam availability, the linac design lays strong emphasis on beam loss control and increased fault tolerance via a novel fault-compensation method. The accelerator complex consists of a room temperature front-end section, a main linac that employs superconducting accelerator technologies, and a high-energy beam transport line. The beam-loss-oriented beam dynamics design of the driver linac complex is presented in the paper.