[Lu, Cai-Dian; Bhutta, Faisal Munir] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
[Li, Ying] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
[Lu, Cai-Dian] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
[Xie, Yue-Hong] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
[Bhutta, Faisal Munir] Beijing Univ Technol, Coll Appl Sci, Inst Theoret Phys, Beijing 100124, Peoples R China.