supported by the National Natural Science Foundation of China (11722540 and 11975033);the Chinese National Youth Thousand Talents Program;the China National Funds for Distinguished Young Scientists (11825503);the National Program for Support of Top-notch Young Professionals;the Fundamental Research Funds for the Central Universities。
We study strong decays of the possible fully-charm tetraquarks recently observed by LHCb,and calculate their relative branching ratios through the Fierz rearrangement.Together with our previous QCD sum rule study,our ...