activity
20212026
most citedCompositeness of and by considering decay and coupled-channels effects

20 citations · 33 across the 17 of their papers we have counts for

collaborators

18 papers

hep-ph2026

Compositeness of near-threshold exotic hadrons in systems with Coulomb and short-range interactions

Tomona Kinugawa, Tetsuo Hyodo

We study the universal properties of near-threshold -wave eigenstates in systems with Coulomb plus short-range interactions by analyzing their compositeness. Using a nonrelativi…

hep-ph2026

Properties of the in hot and dense nuclear matter

Tomona Kinugawa, Àngels Ramos, Laura Tolos

We investigate the properties of the in hot and dense nuclear matter using a coupled-channel molecular model built on next-to-leading-order heavy meson chir…

hep-ph2026

Compositeness of near-threshold states in charged hadronic systems

Tomon Kinugawa, Tetsuo Hyodo

We quantify the internal structure of near-threshold bound, virtual, and resonance states in systems where Coulomb and short-range interactions coexist by evaluating the compositen…

hep-ph2026

Compositeness of near-threshold eigenstates with Coulomb plus short-range interactions

Tomona Kinugawa, Tetsuo Hyodo

We investigate the internal structure of near-threshold -wave eigenstates in a two-body system with Coulomb plus short-range interactions. Using a nonrelativistic effective fiel…

hep-ph2026

Structure of near-threshold states in systems with Coulomb and short-range interactions

Tomona Kinugawa, Tetsuo Hyodo

We study the nature of near-threshold eigenstates in systems with the attractive Coulomb plus short-range interactions. Using a model providing the Coulomb-modified effective range…

hep-ph2025

Internal structure of near-threshold states using compositeness

Tomona Kinugawa, Tetsuo Hyodo

Understanding the internal structure of near-threshold states is essential for revealing the nature of exotic hadrons. Motivated by this challenge, we discuss the clustering struct…

hep-ph2025

Compositeness of near-threshold states with repulsive Coulomb interaction combined with short-range potential

Tomona Kinugawa, Tetsuo Hyodo

We investigate the internal structure of near-threshold states in a system with a repulsive Coulomb interaction combined with a short-range potential, using the compositeness. We c…

hep-ph2025

Internal structure of and by using compositeness

Tomona Kinugawa, Tetsuo Hyodo

The internal structure of the near-threshold exotic hadrons, and , are studied by respecting the decay and coupled-channel contributions. The effective field theo…

hep-ph2024★ 9 cited

Compositeness of hadrons, nuclei, and atomic systems

Tomona Kinugawa, Tetsuo Hyodo

Recent observations of exotic hadrons have stimulated the theoretical investigation of the internal structure of hadrons. While all hadrons are ultimately composed of quarks and gl…

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★ 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…

hep-ph2023

Compositeness of near-threshold exotic hadrons with decay and coupled-channel effects

Tomona Kinugawa, Tetsuo Hyodo

The near-threshold exotic hadrons such as and are naively considered as the hadronic molecular state from the viewpoint of the low-energy universality. However,…

hep-ph2023★ 20 cited

Compositeness of and by considering decay and coupled-channels effects

Tomona Kinugawa, Tetsuo Hyodo

The compositeness of weakly bound states is discussed using the effective field theory from the viewpoint of the low-energy universality. We introduce a model with coupling of the…

hep-ph2022

Estimation of compositeness with correction terms

Tomona Kinugawa, Tetsuo Hyodo

The compositeness is defined as the probability to observe the composite structure such as the hadronic molecule component in a bound state. One of the model-independent approa…

hep-ph2022

Structure of exotic hadrons by a weak-binding relation with finite-range correction

Tomona Kinugawa, Tetsuo Hyodo

The composite nature of a shallow bound state is studied by using the weak-binding relation, which connects the compositeness of the bound state with observables. We first show tha…

hep-ph2022

Application of the weak-binding relation with range correction

Tomona Kinugawa, Tetsuo Hyodo

The weak-binding relation is a useful tool to study the internal structure of hadrons from the observable quantities. We introduce the range correction in the weak-binding relation…

hep-ph2021

Role of the effective range in the weak-binding relation

Tomona Kinugawa, Tetsuo Hyodo

We study the range correction in the weak-binding relation, which relates the internal structure of hadrons with the scattering length and the binding energy. Utilizing the effecti…

hep-ph2021★ 2 cited

Range correction in the weak-binding relation for unstable states

Tomona Kinugawa, Tetsuo Hyodo

The compositeness is defined as the weight of the hadronic molecule in the hadron wave function. We can determine the internal structure of the weak-binding system without any spec…