作者机构:[1]Institute of High Energy Physics, CAS, Beijing 100049, China, [2]School of Physics, Peking University, Beijing 100871, China
相关基金:Supported by National Natural Science Foundation of China (10491303, 10775142, 10825524), Instrument Developing Project of Chinese Academy of Sciences (YZ200713), Major State Basic Research Development Program (2009CB825206) and Knowledge Innovation Project of Chinese Academy of Sciences (KJCX2-YW-N29)