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hep-ph2024
Structure of near-threshold resonances with new interpretation scheme of complex compositeness
Tomona Kinugawa, Tetsuo Hyodo
The nature of near-threshold resonances is quantitatively studied with a new interpretation scheme using the complex compositeness. A difficulty was known in the understanding of t…
hep-ph2024★ 1 cited
General amplitude of near-threshold hadron scattering for exotic hadrons
Katsuyoshi Sone, Tetsuo Hyodo
We discuss the general behavior of the scattering amplitude with channel couplings near the two-body threshold. It is known that the Flatté amplitude, which is often used in the an…
hep-ph2024★ 2 cited
Compositeness of near-threshold -wave resonances
Tomona Kinugawa, Tetsuo Hyodo
The near-threshold clustering phenomenon is well understood by the low-energy universality, for shallow bound states below the threshold. Nevertheless, the characteristics of reson…