[Deng, B.] Hubei Polytech Univ, Sch Elect & Elect Informat Engn, Huangshi 435003, Hubei, Peoples R China.^[Deng, B.;Gong, D.;Guo, D.;Li, X.;Liu, C.;Liu, T.;Xiang, A. C.;Ye, J.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.^[Chen, H.;Chen, K.;Hu, X.;Kierstead, J.] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA.^[Chen, K.] Univ Houston, Dept Elect Engn, Houston, TX 77004 USA.^[Chen, K.;Huang, D.;You, Y.] So Methodist Univ, Dept Elect Engn, Dallas, TX 75275 USA.^[Guo, D.] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China.^[Li, X.] Cent China Normal Univ, Dept Phys, Wuhan 430079, Hubei, Peoples R China.^[Xu, T.] Shandong Univ, MOE Key Lab Particle Phys & Particle Irradiat, Jinan 250100, Shandong, Peoples R China.