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243 papers · 1 filter
Exotic hadrons associated with -quark
Xinchen Dai, Sen Jia, Alexey Nefediev +3
Compared to charmonium-like states, exotic hadrons associated with -quark offer distinct advantages for exploring the nature of multiquark phenomena and the dynamics of the stro…
Interpretation of as a molecular state
Xiang Yu, Jin-Peng Zhang, Xu-Liang Chen +3
We investigate the mass and strong decay properties of the resonance using QCD sum rules, assuming it to be an S-wave molecular pentaquark state with $I(…
Unquenched Charmonium and Beyond
Zi-Yue Bai, Dian-Yong Chen, Qi-Huang +3
The year 2024 marked the 50th anniversary of the discovery of the particle, which unveiled the charm quark and the charmonium spectrum, instigating the "November Revolution"…
Systematic analysis of the transition form factors of to -wave charmonia and corresponding semileptonic decays
Jie Lu, Dian-Yong Chen, Guo-Liang Yu +1
In this article, the vector, axial vector and tensor form factors of to -wave charmonia () and are analyzed within the framework of three-point QCD…
Tetraquark states in the quark model
Wei-Lin Wu, Yan-Ke Chen, Yao Ma +2
We perform systematical investigations of heavy flavor tetraquark systems, including fully heavy (), doubly heavy (), and…
QCD sum rule study of topped mesons within heavy quark effective theory
Shu-Wei Zhang, Xuan Luo, Hui-Min Yang +1
Motivated by the recent CMS observation of a near-threshold enhancement in top quark pair production, we investigate a novel class of hadronic systems containing a single top quark…