Erratum: Design Consideration of 650-MHz Circular Electron–Positron Collider Klystron and Simulation of Its Beam Tester [Chin. Phys. Lett. 34(2017)012902]
1Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 2University of Chinese Academy of Sciences, Beijing 100049 3Key Laboratory of Particle Acceleration Physics and Technology, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 4High Energy Accelerator Research Organization, KEK, Oho, Ibaraki 305-0801, Japan