[Chang, Wen-Bin; Wang, Rui-Qin; Shao, Feng-Lan] Qufu Normal Univ, Sch Phys & Phys Engn, Qufu 273165, Peoples R China.
[Chang, Wen-Bin] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Chang, Wen-Bin] Cent China Normal Univ, Key Lab Quark & Lepton Phys, MOS, Wuhan 430079, Peoples R China.
[Song, Jun] Jining Univ, Sch Phys Sci & Intelligent Engn, Qufu 273155, Peoples R China.
[Wang, Qun] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China.