School of Nuclear Science and Technology Lanzhou University Lanzhou 730000 China;
Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China;
Dongguan Neutron Science Center Dongguan 523803 China;
School of Nuclear Science and Technology University of South China Hengyang 421001 China;
Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen University Zhuhai 519082 China;
Institute of Nuclear Physics and Chemistry China Academy of Engineering Physics Mianyang 621900 China;
