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The decay properties of two- and three- gluon glueballs
Wei-Han Tan, Hua-Xing Chen, Ding-Kun Lian +1
We previously studied the decay properties of two- and three-gluon glueballs using the Fierz rearrangement method and obtained their relative branching ratios in Ref.~\cite{Tan:202…
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…
Quantum numbers of excited and baryons and the -wave spectrum
Xuan Luo, Shu-Wei Zhang, Hua-Xing Chen +1
Recent precision measurements of excited heavy baryons, combined with systematic theoretical studies, make it possible to resolve the fine structure of their spectra. We calculate…
Subtraction of infrared divergences in light-quark QCD sum rules
Ding-Kun Lian, Jin-Peng Zhang, Zi-Xi Ou-Yang +4
In QCD sum rules for light-quark systems, infrared (IR) divergences can appear in the Wilson coefficients of certain condensates. These divergences manifest explicitly in the coord…