Affiliation: | CHEN Jin-Da1,2,1) XU Hu-Shan1 HU Zheng-Guo1 CHEN Ruo-Fu1 TANG Bin1,2 YUE Ke1,2 YU Yu-Hong1 ZHANG Xue-Heng1 KONG Jie1,2 ZANG Yong-Dong1,2 WANG Jian-Song1 SUN Zhi-Yu1 GUO Zhong-Yan1 1 Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China |