A coupled-channel framework is developed and fitted to BESIII data on vector charmonium-like states in the 4.1-4.6 GeV range, concluding that coupled-channel effects with dynamically generated poles explain the line shapes.
A Study of P-wave Heavy Meson Interactions in A Chiral Quark Model
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abstract
The analytical forms of the interaction potentials between one S-wave and one P-wave heavy mesons as well as the potentials between two P-wave heavy mesons are deduced based on a chiral quark model. Our results explicitly show the attractive property between two heavy mesons. Consequently, a series of possible molecular states are obtained. It is expected that our study might shed some light on the popular discussions of the newly observed XYZ states.
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One-boson-exchange model predicts D_s1 bar D_s1, D_s1 bar D_s2* and D_s2* bar D_s2* states as hidden-charm hidden-strangeness molecular tetraquarks plus analogous doubly-charm candidates.
citing papers explorer
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Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV
A coupled-channel framework is developed and fitted to BESIII data on vector charmonium-like states in the 4.1-4.6 GeV range, concluding that coupled-channel effects with dynamically generated poles explain the line shapes.
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Prediction of doubly-charm hadronic molecules with double strange quarks
One-boson-exchange model predicts D_s1 bar D_s1, D_s1 bar D_s2* and D_s2* bar D_s2* states as hidden-charm hidden-strangeness molecular tetraquarks plus analogous doubly-charm candidates.