1School of Physics and Electronics, Hunan University, Changsha 410082, China
2Hunan Provincial Key Laboratory of High-Energy Scale Physics and Applications, Hunan University, Changsha 410082, China
3Key Laboratory of Beam Technology of the Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
4Beijing Radiation Center, Beijing 100875, China
5Physics Department, Indiana University, Bloomington, Indiana 47405, USA
6Center for Exploration of Energy and Matter, Indiana University, Bloomington, Indiana 47403, USA
7Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA
