期刊
PHYSICAL REVIEW D
卷 104, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.114028
关键词
-
资金
- National Science Foundation (NSF) [PHY-1803912, PHY-2110278]
Using the dynamical diquark model, the spectrum of hidden-charm pentaquark states in unflavored and open-strange sectors is predicted. The model utilizes Hamiltonian parameters from tetraquark multiplets and inputs from data of Zcs tetraquarks to make these predictions. All observed pentaquark candidates to date belong to the 1P multiplet and have positive parity.
We apply the dynamical diquark model to predict the spectrum of hidden-charm pentaquark states in both unflavored and open-strange sectors. Using only Hamiltonian parameters introduced in the tetraquark S- and P-wave multiplets, the model naturally produces the level spacing supported by the most recent LHCb results for Pc structures. Furthermore, using model inputs obtained from data of hidden-charm, open-strange tetraquarks (Zcs), we predict the spectrum of Pcs states, including the recently observed Pcso4459 thorn . We find all pentaquark candidates observed to date to belong to the 1P multiplet and hence have positive parity.
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