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6 papers
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"…
Revisiting charmonium hybrid spectroscopy
Ri-Qing Qian, Bing Chen, Xiang Liu
Hadrons with explicit gluonic degrees of freedom, such as charmonium hybrids, are key to understanding nonperturbative behavior of strong interaction, yet they remain experimentall…
Finding a clean process to probe absolutely exotic four-quark states
Man-Yu Duan, Guan-Ying Wang, Yun Liang +3
Motivated by the observations of and , we propose to search for $\tcsbar^0$ in the cleaner process . In the $…
Colloquium: Hadron Production in Open-charm Meson Pair at Collider
Xiongfei Wang, Xiang Liu, Yuanning Gao
The standard model of particle physics is a well-established theoretical framework, yet several unresolved issues remain that warrant further experimental and theoretical explorati…
Double parton distributions of the proton from basis light-front quantization
Tian-Cai Peng, Zhi Hu, Sreeraj Nair +5
Within the basis light-front quantization framework, we systematically investigate the unpolarized and longitudinally polarized double parton distributions (DPDs) of quarks inside…
Four-Charm-Quark Matter from the CMS Collaboration as a Witness of the Development of High-Precision Hadron Spectroscopy
Xiang Liu
Recent CMS observations in the di- invariant mass spectrum reveal new structures at 6638 MeV ()) and 7134 MeV, and confirm the at 6847 MeV. These findings p…