Xiang-Kun Dong

activity

20172026

most citedA survey of heavy-heavy hadronic molecules

234 citations · 982 across the 29 of their papers we have counts for

collaborators

30 papers

hep-ph2026

Amplified Isospin Breaking from Coupled-Channel Dynamics Near Threshold

Xiang-Kun Dong, Feng-Kun Guo, Christoph Hanhart +2

We identify the dynamical origin of amplified isospin breaking in near-threshold states. Using a pole-residue-based measure defined directly from the pole couplings, rather than fr…

hep-ph2026

Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV

Xiang-Kun Dong, Vadim Baru, Leon von Detten +5

The spectrum of vector charmonium(-like) states in the 4.1\dash4.6~GeV energy region exhibits a long-standing tension between inclusive and exclusive measurements. While the inclus…

hep-ph2025★ 1 cited

Decoding the structure near the $π^{+} π^{-}$ mass threshold in $ψ (3686) \to J / ψ π^{+} π^{-}$ decays

Yun-Hua Chen, Xiang-Kun Dong, Feng-Kun Guo +2

In light of recent high-precision data taken by the BESIII Collaboration, we reconsider the dipion transition $ψ (3686) \to J / ψ π^{+} π^{-}$ . The strong pion-pion final-state inte…

hep-ph2025

The $J / ψ$ -nucleon interaction mechanism: A theoretical study based on scattering length

Bing Wu, Xiang-Kun Dong, Meng-Lin Du +2

The low-energy $J / ψ N$ scattering is of significant importance for various reasons. It is deeply interconnected with the hidden-charm $P_{c}$ pentaquark states, provides insights into…

hep-ph2025★ 6 cited

Role of the short-range dynamics in the formation of $D^{()} D ˉ^{()} / B^{()} B ˉ^{()}$ hadronic molecules

Nijiati Yalikun, Xiang-Kun Dong, Ulf-G. Meißner

We investigate potential hadronic molecular states in the $D^{(*)} D ˉ^{(*)}$ and $B^{(*)} B ˉ^{*}$ systems using light meson exchange interactions. Our analysis focuses on cou…

hep-ph2025

Precise determination of the properties of $X (3872)$ and of its isovector partner $W_{c 1}$

Teng Ji, Xiang-Kun Dong, Feng-Kun Guo +2

We perform a simultaneous fit to BESIII data on $e^{+} e^{-} \to γ (D^{0} D ˉ^{0} π^{0} / J / ψ π^{+} π^{-})$ and LHCb data on $B^{+} \to K^{+} (J / ψ π^{+} π^{-})$ to precisely determine the properties of the $…

hep-ph2024★ 4 cited

Deciphering the mechanism of $J / ψ$ -nucleon scattering

Bing Wu, Xiang-Kun Dong, Meng-Lin Du +2

The low-energy $J / ψ N$ scattering is important for various reasons: it is related to the hidden-charm $P_{c}$ pentaquark states, provides insights into the role of gluons in nucleon s…

hep-ph2024★ 10 cited

Dispersive analysis of the isospin breaking in the $X (3872) \to J / ψ π^{+} π^{-}$ and $X (3872) \to J / ψ π^{+} π^{0} π^{-}$ decays

Jorgivan Morais Dias, Teng Ji, Xiang-Kun Dong +5

We analyze the latest LHCb data on the $π^{+} π^{-}$ spectrum in the isospin-violating $X (3872) \to J / ψ π^{+} π^{-}$ decay, based on dispersion theory to deal with the $π π$ final state interac…

hep-ph2024★ 20 cited

Predicting isovector charmonium-like states from X(3872) properties

Zhen-Hua Zhang, Teng Ji, Xiang-Kun Dong +4

Using chiral effective field theory, we predict that there must be isovector charmonium-like $D D ˉ^{*}$ hadronic molecules with $J^{P C} = 1^{++}$ denoted as $W_{c 1}$ . The inputs are…

hep-ph2024★ 2 cited

Hints of the $J^{P C} = 0^{--}$ and $1^{--}$ $K^{*} K ˉ_{1} (1270)$ Molecules in the $J / ψ \to ϕ η η^{'}$ Decay

Xiang-Kun Dong, Teng Ji, Feng-Kun Guo +2

The primary objective of this study is to investigate hadronic molecules of $K^{*} K ˉ_{1} (1270)$ using a one-boson-exchange model, which incorporates exchanges of vector and pseudos…

hep-ph2024★ 11 cited

$σ$ exchange in the one-boson exchange model involving the ground state octet baryons

Bing Wu, Xiong-Hui Cao, Xiang-Kun Dong +1

Based on the one-boson-exchange framework that the $σ$ meson serves as an effective parameterization for the correlated scalar-isoscalar $π π$ interaction, we calculate the coupling…

hep-ph2024★ 1 cited

Interactions of the Pseudoscalar Meson Octet and the Baryon Decuplet in the Continuum and a Finite Volume

Teng Ji, Xiang-Kun Dong, Ulf-G. Meißner

This study focuses on the interaction of the pseudoscalar meson octet and the baryon decuplet. In the continuum, it is observed that several $J^{P} = \frac{3}{2}^{-}$ baryon resonances can…

hep-ph2023★ 7 cited

Role of left-hand cut contributions on pole extractions from lattice data: Case study for $T_{cc} (3875)^{+}$

Meng-Lin Du, Arseniy Filin, Vadim Baru +7

We discuss recent lattice data for the $T_{cc} (3875)^{+}$ state to stress, for the first time, a potentially strong impact of left-hand cuts from the one-pion exchange on the pole ex…

hep-ph2022★ 3 cited

Spin-orbit amplitudes for decays with arbitrary spin

Xiao-yu Li, Xiang-Kun Dong, Hao-Jie Jing

In this paper, we propose a method to construct the decay amplitudes in the orbital ( $L$ ) and spin ( $S$ ) coupling scheme for particles with arbitrary spins. For the $1 \to 2$ decay…

hep-ph2022★ 24 cited

Understanding the $0^{++}$ and $2^{++}$ charmonium(-like) states near 3.9 GeV

Teng Ji, Xiang-Kun Dong, Miguel Albaladejo +4

We propose that the $X (3915)$ observed in the $J / ψ ω$ channel is the same state as the $χ_{c 2} (3930)$ , and the $X (3960)$ , observed in the $D_{s}^{+} D_{s}^{-}$ channel, is an $S$ -wave $D_s…

hep-ph2022★ 8 cited

Chromopolarizabilities of fully-heavy baryons

Xiang-Kun Dong, Feng-Kun Guo, Alexey Nefediev +1

We compute the chromopolarizabilities of the fully heavy baryons $Ω_{QQ Q^{'}}$ ( $Q, Q^{'} = b, c$ ) in the framework of potential nonrelativistic quantum chromodynamics. At leading order, the…

hep-ph2022★ 39 cited

Establishing the heavy quark spin and light flavor molecular multiplets of the $X (3872)$ , $Z_{c} (3900)$ and $X (3960)$

Teng Ji, Xiang-Kun Dong, Miguel Albaladejo +3

Recently, the LHCb Collaboration reported a near-threshold enhancement, $X (3960)$ , in the $D_{s}^{+} D_{s}^{-}$ invariant mass distribution. We show that the data can be well described by e…

hep-ph2022★ 30 cited

Prediction of a narrow exotic hadronic state with quantum numbers $J^{P C} = 0^{--}$

Teng Ji, Xiang-Kun Dong, Feng-Kun Guo +1

Lots of charmonium-like structures have been observed in the last two decades. Most of them have quantum numbers that can be formed by a pair of charm and anticharm quarks, thus it…

hep-ph2022★ 2 cited

Interpretation of the $η_{1} (1855)$ as a $K K ˉ_{1} (1400) +$ c.c. molecule

Xiang-Kun Dong, Yong-Hui Lin, Bing-Song Zou

An exotic state with $J^{P C} = 1^{-+}$ , denoted by $η_{1} (1855)$ , was observed by BESIII collaboration recently in $J / ψ \to γ η η^{'}$ . The fact that its mass is just below the threshold of…

hep-ph2021★ 147 cited

Coupled-channel approach to $T_{cc}^{+}$ including three-body effects

Meng-Lin Du, Vadim Baru, Xiang-Kun Dong +6

A coupled-channel approach is applied to the charged tetraquark state $T_{cc}^{+}$ recently discovered by the LHCb Collaboration. The parameters of the interaction are fixed by a fit…

hep-ph2021★ 65 cited

Effective range expansion for narrow near-threshold resonances

Vadim Baru, Xiang-Kun Dong, Meng-Lin Du +6

We discuss some general features of the effective range expansion, the content of its parameters with respect to the nature of the pertinent near-threshold states and the necessary…

hep-ph2021★ 234 cited

A survey of heavy-heavy hadronic molecules

Xiang-Kun Dong, Feng-Kun Guo, Bing-Song Zou

The spectrum of hadronic molecules composed of heavy-antiheavy charmed hadrons has been obtained in our previous work. The potentials are constants at the leading order, which are…

hep-ph2021★ 56 cited

Is the existence of a $J / ψ J / ψ$ bound state plausible?

Xiang-Kun Dong, Vadim Baru, Feng-Kun Guo +3

In a recent measurement LHCb reported pronounced structures in the $J / ψ J / ψ$ spectrum. One of the various possible explanations of those is that they emerge from non-perturbative in…

hep-ph2021

A survey of heavy-antiheavy hadronic molecules

Xiang-Kun Dong, Feng-Kun Guo, Bing-Song Zou

Many efforts have been made to reveal the nature of the overabundant resonant structures observed by the worldwide experiments in the last two decades. Hadronic molecules attract s…

Amplified Isospin Breaking from Coupled-Channel Dynamics Near Threshold

Vector charmonium(-like) states in the energy range of 4.1-4.6 GeV

Decoding the structure near the π+π− mass threshold in ψ(3686)→J/ψπ+π− decays

The J/ψ-nucleon interaction mechanism: A theoretical study based on scattering length

Role of the short-range dynamics in the formation of D(∗)Dˉ(∗)/B(∗)Bˉ(∗) hadronic molecules

Precise determination of the properties of X(3872) and of its isovector partner Wc1​

Deciphering the mechanism of J/ψ-nucleon scattering

Dispersive analysis of the isospin breaking in the X(3872) → J/ψπ+π− and X(3872) → J/ψπ+π0π− decays