Scaling law of single ion–atom impact ionization cross sections of noble gases from He to Xe at strong perturbative energies*
Ren Ping-Yuana), Zou Xian-Rongb)†, Shao Jian-Xiongb), Wang Shi-Yaob), Zhou Manb), Zhou Wangb), Yang Ai-Xiangb), Yan Peng-Xuna), Chen Xi-Mengb)‡
       
Calculation results of R r and R I and their fitting curves.