1 School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China; International Research Center for Nuclei and Particles in the Cosmos, Beijing 100191, China. Electronic address: bhsun@buaa.edu.cn.
2 School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China.
3 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
4 School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China; International Research Center for Nuclei and Particles in the Cosmos, Beijing 100191, China.