New progress on beam availability and reliability of PKU high intensity CW proton ECR ion source
Peng Shi-Xiang1, †, Zhang Ai-Lin1, 2, Ren Hai-Tao1, Xu Yuan1, Zhang Tao1, Zhang Jing-Feng1, Wen Jia-Mei1, Guo Zhi-Yu1, Chen Jia-Er1, 2
       

(color online) Beam distribution (a) and its rms emittance (b) of a CW 50-mA@50-keV H+ beam.