001019017 001__ 1019017
001019017 005__ 20231207201909.0
001019017 0247_ $$2arXiv$$aarXiv:2307.06799
001019017 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-05080
001019017 037__ $$aFZJ-2023-05080
001019017 088__ $$2arXiv$$aarXiv:2307.06799
001019017 1001_ $$0P:(DE-Juel1)185936$$aWang, Yu-Fei$$b0$$eCorresponding author$$ufzj
001019017 245__ $$aOn the nature of the $N^*$ and $\Delta$ resonances via coupled-channel dynamics
001019017 260__ $$c2023
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001019017 500__ $$a19 pages, 6 figures
001019017 520__ $$aThis work aims at determining the composition of certain $N^*$ and $\Delta$ resonances, i.e. whether they are compact states formed directly by quarks and gluons, or hadronic molecules generated from the meson-baryon interaction. The information of the resonance poles is provided by a comprehensive coupled-channel approach, the Jülich-Bonn model. $13$ states that are significant in this approach are studied. Two criteria for each state are adopted in this paper, the comparison thereof roughly indicates the model uncertainties. It is found that the conclusions for $8$ resonances are relatively certain: $N(1535) \frac{1}{2}^-$, $N(1440) \frac{1}{2}^+$, $N(1710) \frac{1}{2}^+$, and $N(1520) \frac{3}{2}^-$ tend to be composite; whereas $N(1650) \frac{1}{2}^-$, $N(1900) \frac{3}{2}^+$, $N(1680) \frac{5}{2}^+$, and $\Delta(1600) \frac{3}{2}^+$ tend to be compact.
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001019017 7001_ $$0P:(DE-Juel1)131252$$aMeißner, Ulf-G.$$b1$$ufzj
001019017 7001_ $$0P:(DE-Juel1)165596$$aRönchen, Deborah$$b2$$ufzj
001019017 7001_ $$0P:(DE-Juel1)189099$$aShen, Chao-Wei$$b3$$ufzj
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001019017 9141_ $$y2023
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