A conference review argues that the X(3872), Tcc(3875), and the lowest open-charm states are hadronic molecules, and predicts an isovector partner Wc1 that should show up in B0 -> K0 J/psi pi pi decays.
Spatial interpretation of "compositeness" for finite-range potentials
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abstract
We discuss the relation between the "compositeness" of an s-wave bound state, as derived from a related partial wave scattering amplitude, and the corresponding spatial probability densities, for the case of spherically symmetric, energy-independent finite-range potentials in non-relativistic quantum mechanics. We find that in this simple case "compositeness" is a measure for the probability to find the constituents separated by a distance greater than the interaction range.
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Single- and double-heavy Hadronic Molecules
A conference review argues that the X(3872), Tcc(3875), and the lowest open-charm states are hadronic molecules, and predicts an isovector partner Wc1 that should show up in B0 -> K0 J/psi pi pi decays.