1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
3. Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516000, China
4. Gansu Provincial Cancer Hospital, Lanzhou 730000, China
5. Gansu Provincial Academy of Medical Sciences, Lanzhou 730000, China
6. Department of Physics, Hong Kong Baptist University Kowloon, Hong Kong SAR, China
7. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
8. Chongqing Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
9. College of Physics Science and Technology, Hebei University, Baoding 071002, China