Guizhou University, Guizhou University, Hunan University, affiliation not provided to SSRN, affiliation not provided to SSRN, Royal Institute of Technology (KTH), Guizhou University, University of Helsinki, University of Helsinki, Chinese Academy of Sciences (CAS) - Institute of High Energy Physics, affiliation not provided to SSRN and Chinese Academy of Sciences (CAS) - Institute of High Energy Physics