Li-Sheng Geng

activity

20202026

most citedHow to reveal the nature of three or more pentaquark states?

40 citations · 87 across the 23 of their papers we have counts for

collaborators

23 papers

hep-ph2026

$∣Δ I ∣ = 3/2$ non-leptonic hyperon decays in covariant baryon chiral perturbation theory

Jie Xu, Jun-Xu Lu, Rui-Xiang Shi +1

Inspired by the recent BESIII measurements of non-leptonic hyperon decays, we reexamine their $∣Δ I ∣ = 3/2$ amplitudes in covariant baryon chiral perturbation theory with the extended…

hep-ph2026

Strangeness is the key: from $K ˉ N$ to $D ˉ_{s} D K$

Li-Sheng Geng, Ming-Zhu liu, Jia-Ming Xie

The kaon, the lightest hadron containing a strangeness quark, is very peculiar. It is a Nambu-Goldstone boson, but significantly heavier than the pion. As a result, its interaction…

hep-ph2025

$J / ψ Λ$ femtoscopy and the nature of $P_{ψ s}^{Λ} (4338)$

Yi-Bo Shen, Zhi-Wei Liu, Ming-Zhu Liu +4

Over the past two decades, numerous exotic hadron states have been discovered, yet their underlying nature remains unclear. It is widely acknowledged that understanding hadron-hadr…

nucl-th2025

Probing the three-body force in hadronic systems with specific charge parity

Ya-Wen Pan, Ming-Zhu Liu, Li-Sheng Geng

Three-body forces, a type of non-perturbative strong interaction, are widely studied in nuclear physics. However, whether their inclusion is necessary in nuclear systems remains a…

hep-ph2025

Charmonium-nucleon femtoscopic correlation function

Zhi-Wei Liu, Duo-Lun Ge, Jun-Xu Lu +2

This study investigates the femtoscopic correlation functions of charmonium-nucleon pairs, utilizing the lattice QCD phase shifts provided by the HAL QCD Collaboration. A ``model-i…

nucl-th2025

Effect of a repulsive three-body interaction on the $D D^{(*)} K$ molecule

Ya-Wen Pan, Jun-Xu Lu, Emiko Hiyama +2

The hadronic molecular picture of the observed exotic states has inspired numerous investigations into few-body systems. Recently, the lattice effective field theory studied the ef…

hep-ph2025

Implication of the existence of $J^{P C} = 0^{--}$ $D ˉ_{s} D K$ bound state on nature of $D_{s 0}^{*} (2317)$ and new configuration of exotic state

Tian-Wei Wu, Ming-Zhu Liu, Li-Sheng Geng

The discovery of numerous new hadrons over the past two decades has provided unprecedented opportunities to understand the non-perturbative QCD and hadron structure. Hadronic molec…

hep-ph2024

Implication of a negative effective range on the $D D ˉ^{*}$ interaction and the nature of $X (3872)$

Yi-Bo Shen, Ming-Zhu Liu, Zhi-Wei Liu +1

A recent analysis of the LHCb data [Phys. Rev. D 105 (2022) L031503] obtained a sizable negative effective range for the $X (3872)$ . This has attracted intensive discussions on whet…

hep-ph2024

Likely existence of bound states and the Efimov effect in the triple- $J / ψ$ system

Ya-Wen Pan, Zhi-Wei Liu, Li-Sheng Geng +2

The ground-breaking discovery of the first fully charmed tetraquark state $X (6900)$ in the $J / ψ J / ψ$ invariant mass distribution by the LHCb collaboration has inspired intensive the…

hep-ph2024

Studying the heavy quark spin symmetry multiplet of hadronic molecules $D ˉ^{()} Σ_{c}^{()}$ in the three-body decays of $D ˉ^{(*)} Λ_{c} π$

Ming-Zhu Liu, Ya-Wen Pan, Li-Sheng Geng

The decay behavior of an exotic state can be used to probe its internal structure. We note that the hidden-charm pentaquark states, $P_{ψ}^{N} (4312)$ , $P_{ψ}^{N} (4440)$ , and $P_ψ^{N}(4…

hep-ph2024★ 9 cited

Pole trajectories of the $Λ (1405)$ helps establish its dynamical nature

Zejian Zhuang, Raquel Molina, Jun-Xu Lu +1

The $Λ (1405)$ has been one of the most controversial exotic baryons. If the $Λ (1405)$ possesses a two-pole molecular structure, these poles are expected to evolve differently towar…

hep-ph2024

Investigations on the weak decays of $D B ˉ$ molecules

Ming-Zhu Liu, Li-Sheng Geng

The decays of exotic states discovered experimentally always proceed via the strong and electromagnetic interactions. Recently, a tetraquark state with the quark content $bc\bar{q}…

hep-ph2024★ 1 cited

Femtoscopy can tell whether $Z_{c} (3900)$ and $Z_{cs} (3985)$ are resonances or virtual states

Zhi-Wei Liu, Jun-Xu Lu, Ming-Zhu Liu +1

There have been extended and heated discussions on the nature of the two exotic states, $Z_{c} (3900)$ and $Z_{cs} (3985)$ , particularly whether they are near-threshold resonances, vir…

hep-ph2024

Productions of $X (3872)$ / $Z_{c} (3900)$ and $X_{2} (4013)$ / $Z_{c} (4020)$ in $Y (4220)$ and $Y (4360)$ decays

Ming-Zhu Liu, Xi-Zhe Ling, Li-Sheng Geng

The two excited vector charmonium states $Y (4220)$ and $Y (4360)$ are difficult to be understood as pure $c c ˉ$ charmonium states. Since they are located close to the mass thres…

hep-ph2024

Three ways to decipher the nature of exotic hadrons: multiplets, three-body hadronic molecules, and correlation functions

Ming-Zhu Liu, Ya-Wen Pan, Zhi-Wei Liu +3

In the past two decades, a plethora of hadronic states beyond the conventional quark model of $q q ˉ$ mesons and $q q q$ baryons have been observed experimentally, which motivated…

hep-ph2023

Dynamical origin of universal two-pole structures and their light quark mass evolution

Jia-Ming Xie, Jun-Xu Lu, Li-Sheng Geng +1

Two-pole structures refer to the fact that two dynamically generated states are located close to each other between two coupled channels and have a mass difference smaller than the…

hep-ph2023

Systematic studies of $D D K K$ and $D D ˉ K K ˉ$ four-hadron molecules

Ya-Wen Pan, Ming-Zhu Liu, Jun-Xu Lu +1

Assuming that $D_{s 0}^{*} (2317)$ is a $D K$ molecular state with a binding energy of 45 MeV, we investigate the existence of four-hadron molecules, $D D K K$ and $D\Bar{D}K\Bar{K}$, wi…

hep-ph2023★ 8 cited

Productions of $D_{s 0}^{*} (2317)$ and $D_{s 1} (2460)$ in $B_{(s)}$ and $Λ_{b} (Ξ_{b})$ decays

Ming-Zhu Liu, Xi-Zhe Ling, Li-Sheng Geng

Recent studies show that $D_{s 0}^{*} (2317)$ and $D_{s 1} (2460)$ contain large molecular components. In this work, we employ the naive factorization approach to calculate the prod…

hep-ph2023

Long-range $S$ -wave $D D^{*}$ interaction in covariant chiral effective field theory

Qing-Yu Zhai, Ming-Zhu Liu, Jun-Xu Lu +1

Motivated by the recent lattice QCD study of the $D D^{*}$ interaction at unphysical quark masses, we perform a theoretical study of the $D D^{*}$ interaction in covariant chiral effecti…

hep-ph2023

Production of the $Ξ N$ dibaryon as a weakly bound system in $pp$ collisions

Tian-Chen Wu, Atsushi Hosaka, Li-Sheng Geng

The $Ξ N$ interaction plays an important role in our understanding on the long-anticipated $H$ -dibaryon. Recent lattice QCD calculations verified the attractive nature of the $Ξ N$ i…

hep-ph2023★ 1 cited

Production rates of hidden-charm pentaquark molecules in $Λ_{b}$ decays

Ya-Wen Pan, Ming-Zhu Liu, Li-Sheng Geng

The partial decay widths and production mechanism of the three pentaquark states, $P_{ψ}^{N} (4312)$ , $P_{ψ}^{N} (4440)$ , and $P_{ψ}^{N} (4457)$ , discovered by the LHCb Collaboration in 201…

hep-ph2023★ 28 cited

Productions of $X (3872)$ , $Z_{c} (3900)$ , $X_{2} (4013)$ , and $Z_{c} (4020)$ in $B_{(s)}$ decays offer strong clues on their molecular nature

Qi Wu, Ming-Zhu Liu, Li-Sheng Geng

The exotic states $X (3872)$ and $Z_{c} (3900)$ have long been conjectured as isoscalar and isovector $D ˉ^{*} D$ molecules. In this work, we first propose the triangle diagram mechan…

hep-ph2020★ 40 cited

How to reveal the nature of three or more pentaquark states?

C. W. Xiao, J. X. Lu, J. J. Wu +1

Within the chiral unitary approach and with the constraints of heavy quark spin symmetry, we study the coupled channel interactions of $D ˉ^{(*)} Σ_{c}^{(*)}$ channels, close to…

∣ΔI∣=3/2 non-leptonic hyperon decays in covariant baryon chiral perturbation theory

Strangeness is the key: from KˉN to Dˉs​DK

J/ψΛ femtoscopy and the nature of PψsΛ​(4338)

Probing the three-body force in hadronic systems with specific charge parity

Charmonium-nucleon femtoscopic correlation function

Effect of a repulsive three-body interaction on the DD(∗)K molecule

Implication of the existence of JPC=0−− Dˉs​DK bound state on nature of Ds0∗​(2317) and new configuration of exotic state

Implication of a negative effective range on the DDˉ∗ interaction and the nature of X(3872)

Likely existence of bound states and the Efimov effect in the triple-J/ψ system

Studying the heavy quark spin symmetry multiplet of hadronic molecules Dˉ(∗)Σc(∗)​ in the three-body decays of Dˉ(∗)Λc​π

Pole trajectories of the Λ(1405) helps establish its dynamical nature

Investigations on the weak decays of DBˉ molecules

Femtoscopy can tell whether Zc​(3900) and Zcs​(3985) are resonances or virtual states

Productions of X(3872)/Zc​(3900) and X2​(4013)/Zc​(4020) in Y(4220) and Y(4360) decays

Three ways to decipher the nature of exotic hadrons: multiplets, three-body hadronic molecules, and correlation functions

Dynamical origin of universal two-pole structures and their light quark mass evolution

Systematic studies of DDKK and DDˉKKˉ four-hadron molecules

Productions of Ds0∗​(2317) and Ds1​(2460) in B(s)​ and Λb​(Ξb​) decays

Long-range S-wave DD∗ interaction in covariant chiral effective field theory

Production of the ΞN dibaryon as a weakly bound system in pp collisions

Production rates of hidden-charm pentaquark molecules in Λb​ decays

Productions of X(3872), Zc​(3900), X2​(4013), and Zc​(4020) in B(s)​ decays offer strong clues on their molecular nature

How to reveal the nature of three or more pentaquark states?

$∣Δ I ∣ = 3/2$ non-leptonic hyperon decays in covariant baryon chiral perturbation theory

Strangeness is the key: from $K ˉ N$ to $D ˉ_{s} D K$

$J / ψ Λ$ femtoscopy and the nature of $P_{ψ s}^{Λ} (4338)$

Effect of a repulsive three-body interaction on the $D D^{(*)} K$ molecule

Implication of the existence of $J^{P C} = 0^{--}$ $D ˉ_{s} D K$ bound state on nature of $D_{s 0}^{*} (2317)$ and new configuration of exotic state

Implication of a negative effective range on the $D D ˉ^{*}$ interaction and the nature of $X (3872)$

Likely existence of bound states and the Efimov effect in the triple- $J / ψ$ system

Studying the heavy quark spin symmetry multiplet of hadronic molecules $D ˉ^{()} Σ_{c}^{()}$ in the three-body decays of $D ˉ^{(*)} Λ_{c} π$

Pole trajectories of the $Λ (1405)$ helps establish its dynamical nature

Investigations on the weak decays of $D B ˉ$ molecules

Femtoscopy can tell whether $Z_{c} (3900)$ and $Z_{cs} (3985)$ are resonances or virtual states

Productions of $X (3872)$ / $Z_{c} (3900)$ and $X_{2} (4013)$ / $Z_{c} (4020)$ in $Y (4220)$ and $Y (4360)$ decays

Systematic studies of $D D K K$ and $D D ˉ K K ˉ$ four-hadron molecules

Productions of $D_{s 0}^{*} (2317)$ and $D_{s 1} (2460)$ in $B_{(s)}$ and $Λ_{b} (Ξ_{b})$ decays

Long-range $S$ -wave $D D^{*}$ interaction in covariant chiral effective field theory

Production of the $Ξ N$ dibaryon as a weakly bound system in $pp$ collisions

Production rates of hidden-charm pentaquark molecules in $Λ_{b}$ decays

Productions of $X (3872)$ , $Z_{c} (3900)$ , $X_{2} (4013)$ , and $Z_{c} (4020)$ in $B_{(s)}$ decays offer strong clues on their molecular nature