Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
[T. Liang; C. Gao; D. Zhang; K. Chen; H. Wang; J. Liu; L. Liu; Y. Qiao; Z. Hu; X. Sun; G. Huang] PLAC, Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University, Wuhan 430079, China
[X. Tian] School of Resources, Environmental Science and Engineering, Hubei University of Science and Technology, Xianning 437100, China
[Z. Song] College of Electronic Engineering, Naval University of Engineering, Wuhan 430033, China
