1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China 2 University of Chinese Academy of Sciences, Beijing 100049, China
Contact:
De-Qing Fang
E-mail:dqfang@sinap.ac.cn
Supported by:
This work was supported by the National Natural Science Foundation of China (Nos. 11421505, 11475244, and 11175231) and the National Key Research and Development Program of China (High Precision Nuclear Physics Experiments).