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The effect of cutoff dependence on heavy quark spin symmetry partners

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arXiv:2403.18633v1 Announce Type: cross
Abstract: Hadron spectroscopy is revealed by observing heavy resonances. Among various explanations of the internal structure of these hadronic states, hadronic molecules play a unique role. For hadronic molecules, which are associated with meson-meson or meson-baryon interactions, the $\Lambda$ cutoff is a significant factor in determining the composite states' binding energies and overall properties. The cutoff becomes important when it comes to the location of hadronic molecules' masses because it influences the predictions. From this perspective, in the light of cutoff dependency, heavy quark spin partners of near-threshold the $\chi_{c0}(3915)$, $\chi_{c1}(3872)$, $P_c(4440)$, and $P_c(4457)$ resonances, which are considered as hadronic molecules, are examined.

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