Fully heavy tetraquark states and their evidences in LHC observations Ming-Sheng Liu,1,4Feng-Xiao Liu,1,5,*Xian-Hui Zhong,1,5,?and Qiang Zhao2,3,5 ,? 1Department of Physics, Hunan Normal University, and Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Changsha 410081, China 2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China 3University of Chinese Academy of Sciences, Beijing 100049, China 4College of Science, Ti...