Q Meng, GJ Wang, M Oka - arXiv preprint arXiv:2404.01238, 2024 - arxiv.org
A comprehensive study of the $ S $-wave heavy tetraquark states with identical quarks and
antiquarks, specifically $ QQ {\bar Q'}\bar Q'$($ Q, Q'= c, b $), $ QQ\bar s\bar s $/$\bar Q\bar …