[Liu, C.;Zhao, X.;Deng, B.;Gong, D.;Guo, D.;Li, X.;Liang, F.;Liu, G.;Liu, T.;Xiang, A. C.;Ye, J.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.^[Chen, J.;Huang, D.] So Methodist Univ, Dept Elect Engn, Dallas, TX 75275 USA.^[Deng, B.] Hubei Polytech Univ, Huangshi 435003, Hubei, Peoples R China.^[Guo, D.;Liang, F.] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China.^[Hou, S.;Teng, P. -K.] Acad Sinica, Inst Phys, Taipei 11529, Taiwan.^[Li, X.] Cent China Normal Univ, Sch Phys, Wuhan 430079, Hubei, Peoples R China.^[Liu, G.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.