1. School of Physics and Microelectronics, Zhengzhou University, Zhengzhou, People's Republic of China;
2. PRISMA+ Cluster of Excellence and Institute for Nuclear Physics, Johannes Gutenberg University Mainz, Mainz, Germany;
3. Experimental Physics Division, Institute of High Energy Physics, Beijing, People's Republic of China;
4. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, People's Republic of China;