Going in quest of potential tetraquark interpretations for the newly observed Tψψ states in light of the diquark-antidiquark scenarios

Stimulated by the recent experimental progress on the T(psi psi)states, the fully charmed tetraquark spectroscopy is systemically investigated by dint of the Godfrey-Isgur relativized diquark model, the modified Godfrey-Isgur relativized diquark model with the color screening effects, and the nonrelativistic diquark model. The theoretical results of the diquark-antidiquark scenarios propose to interpret the T-psi psi(6200), T-psi psi(6600), T-psi psi(6900), and T-psi psi(7300) structures as the candidates of the 1S-wave, 1P/2S-wave, 1D/2P-wave, and 2D/3P/4S-wave fully charmed tetraquark states, respectively. On account of the deficiency of sufficient experimental information, e.g., the parities of the newly observed T-psi psi states, there are uncertainties about the assignments of the T-psi psi(6600), T-psi psi(6900), and T-psi psi(7300) states. It is demonstrated that the further experimental survey on the cc (c) over bar(c) over bar states, implemented by the LHCb, ATLAS, CMS, and other collaborations, ought to be continued in the future.

Automated summary

Stimulated by recent experimental progress on T(psi psi) states, the fully charmed tetraquark spectroscopy was investigated using different models. Theoretical results suggest that the T-psi psi(6200), T-psi psi(6600), T-psi psi(6900), and T-psi psi(7300) structures can be interpreted as candidates for fully charmed tetraquark states of different waves. However, due to a lack of experimental information, such as the parities of the observed T-psi psi states, there are uncertainties in the assignments. Further experimental surveys by collaborations such as LHCb, ATLAS, CMS, and others are needed in the future.