5 papers
Light tetraquark states with from QCD sum rules
Yi-Wei Jiang, Hua-Xing Chen, Er-Liang Cui +3
We perform a systematic QCD sum rule study of light tetraquark states with in the diquark--antidiquark picture. A complete set of local interpolating currents is co…
A short review on QCD sum rule studies of P-wave single heavy baryons
Xuan Luo, Shu-Wei Zhang, Hua-Xing Chen +3
Over the past few decades, the study of singly heavy baryons has entered a golden era, with numerous excited states observed by experimental collaborations. Various theoretical app…
Improved prediction of the mass splitting for -wave baryons
Niu Su, Hua-Xing Chen, Philipp Gubler +1
Using the QCD sum rule method, we investigate the mass splitting for the spin-orbit partner states of the baryon assuming that it is a -wave excitation with $J^P=3/2^…
A hybrid nonet with or a tetraquark 81-plet
Niu Su, Er-Liang Cui, Yi-Wei Jiang +1
Confirming the existence of hybrid states remains challenging due to their experimental indistinguishability from tightly bound tetraquarks and loosely bound molecules. To address…
Investigation on the from QCD sum rules
Niu Su, Hua-Xing Chen, Philipp Gubler +1
We investigate the recently observed baryon using QCD sum rules. By constructing -wave baryon currents and performing spin projection and parity projection, we o…