Affiliation: | GENG Chao 1,2,LIU Jie 1*,ZHANG ZhanGang 1,2,HOU MingDong 1,SUN YouMei 1,XI Kai 1,2,GU Song 1,2,DUAN JingLai 1,YAO HuiJun 1,MO Dan 1 & LUO Jie 1 1 Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;2 University of Chinese Academy of Sciences,Beijing 100190,China |