1 School of Physics, Nanjing University, Nanjing, 210093, China.
2 State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China.
3 State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China. liusl@ihep.ac.cn.
4 University of Chinese Academy of Sciences, Beijing, 100049, China. liusl@ihep.ac.cn.
5 School of Physics, Nanjing University, Nanjing, 210093, China. qming@nju.edu.cn.
6 University of Chinese Academy of Sciences, Beijing, 100049, China.