Division 1, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039, China;
China Center of Advanced Science and Technology (CCAST) (World Laboratory), Beijing 100080, China;
Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;
Division 1, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039, China;
China Center of Advanced Science and Technology (CCAST) (World Laboratory), Beijing 100080, China;
mass relation; glueball mass; meson mixing;