Comment on "Possibility of Deeply Bound Hadronic Molecules from Single Pion Exchange"

Abstract

We demonstrate that in calculation, where unitarity constraints are properly imposed, the deeply bound hadronic molecules recently proposed by Close and Downum do not exist.

one page, one figure

References in corpus (3)

• Lineshapes for composite particles with unstable constituents
• On the possibility of Deeply Bound Hadronic Molecules from single Pion Exchange
• Novel Charmonium and Bottomonium Spectroscopies due to Deeply Bound Hadronic Molecules from Single Pion Exchange

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• Molecular Interpretation of the $P_c(4440)$ and $P_c(4457)$ States
• Three-body $D\bar{D}\pi$ dynamics for the X(3872)
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• Employing spin symmetry to disentangle different models for the XYZ states
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• More kaonic bound states and a comprehensive interpretation of the D_{sJ} states
• Remarks on the study of the X(3872) from Effective Field Theory with Pion-Exchange Interaction
• Investigating possible decay modes of $Y(4260)$ under the $D_1(2420)\bar{D}+c.c$ molecular state ansatz
• Prediction of a narrow exotic hadronic state with quantum numbers $J^{PC}=0^{--}$
• Correlation of the hidden-charm molecular tetraquarks and the charmoniumlike structures existing in the $B\to XYZ+K$
• Prediction of an exotic state around 4240 MeV with $J^{PC}=1^{-+}$ as C-parity partner of Y(4260) in molecular picture
• Binding energy of the $X(3872)$ at unphysical pion masses
• Molecular Interpretation of the Supercharmonium State Z(4475)
• Remarks on non-perturbative three--body dynamics and its application to the $KK\bar{K}$ system
• Predictions of the hidden-charm molecular states with four-quark component
• One-pion exchange in the X(3872) revisited
• Are the XYZ states unconventional states or conventional states with unconventional properties?
• Two-pion exchange for coupled-channel scattering of two heavy mesons
• Are there near-threshold Coulomb-like Baryonia?
• Theory Concepts for Heavy Exotic Mesons
• A Study of Degenerate Two-Body and Three-Body Coupled-Channel Systems -Renormalized Effective AGS Equations and Near-Threshold Resonances-
• Hadronic molecules and multiquark states