[Guo, D.;Jin, G.;Liang, F.;Liang, H.] Univ Sci & Technol China, State Key Lab Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China.^[Guo, D.;Liu, C.;Deng, B.;Gong, D.;Li, X.;Liu, G.;Liu, T.;Ye, J.;Zhao, X.;Xiang, A. C.] So Methodist Univ, Dept Phys, Dallas, TX 75275 USA.^[Chen, J.] So Methodist Univ, Dept Elect Engn, Dallas, TX 75275 USA.^[Chramowicz, J.;Kwan, S.;Prosser, A.] Fermilab Natl Accelerator Lab, Elect Syst Engn Dept, Batavia, IL 60510 USA.^[Deng, B.] Hubei Polytech Univ, Huangshi 435003, Hubei, Peoples R China.^[Hou, S.;Su, D-S;Teng, P-K] Acad Sinica, Inst Phys, Taipei 11529, Taiwan.^[Li, X.] Cent China Normal Univ, Dept Phys, Wuhan 430079, Hubei, Peoples R China.^[Liu, G.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.^[Xu, T.] Shandong Univ, MOE Key Lab Particle Phys & Particle Irradiat, Jinan 250100, Peoples R China.