W. Liang

Theoretical description of the $D^{+} \to K ˉ^{0} π^{+} π^{0} π^{0}$ reaction

Zi-Ying Yang, Wen-Hao Jia, Dao-Chong Lin +5

We study the $D^{+} \to K ˉ^{0} π^{+} π^{0} π^{0}$ reaction, which shows two clear structures: the $K ˉ^{* 0}$ and $ρ^{+}$ in the $K ˉ^{0} π^{0}$ and $π^{+} π^{0…

In search for signals of the $D D ˉ$ bound state $X (3700)$ from study of the $B^{+} \to D^{+} D^{-} K^{+}$ , $B^{0} \to D^{+} D^{-} K^{0}$ and $Λ_{b} \to D^{+} D^{-} Λ$ reactions

Xiu-Lei Ren, Hai-Peng Li, Wei-Hong Liang +2

We perform a theoretical study of the $B^{+} \to D^{+} D^{-} K^{+}$ , $B^{0} \to D^{+} D^{-} K^{0}$ and $Λ_{b} \to D^{+} D^{-} Λ$ reactions by looking at the production mechanisms, with special emphasis…

Interaction and correlation functions for $π f_{1} (1285)$ , $η f_{1} (1285)$

Wen-Hao Jia, Hai-Peng Li, Wei-Hong Liang +2

We have studied the interaction of $π^{0} (η) f_{1} (1285)$ assuming the $f_{1} (1285)$ to be a molecular state of $K^{*} K ˉ - K ˉ^{*} K$ . We use a framework in which a $π^0 (η) f_1(128…

Correlation function and bound state from the $K D_{s 0}^{*} (2317)$ interaction

Wen-Hao Jia, Hai-Peng Li, Wei-Hong Liang +2

In anticipation of the new wave of ALICE experiments on particle-resonance correlation functions, we study the interaction of a kaon with the $D_{s 0}^{*} (2317)$ resonance. Assuming t…

$J / ψ Λ$ 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…

hep-ph2025★ 1 cited

The $B^{+ (0)} \to D ˉ^{0 (-)} D_{s 0}^{} (2317)^{+}$ decays and the molecular structure of $D_{s 0}^{} (2317)$

Wei-Hong Liang, Zhuo-Ran Hu, Eulogio Oset

We have conducted a study of the $B^{+ (0)} \to D ˉ^{0 (-)} D_{s 0}^{*} (2317)^{+}$ reactions from the perspective that the $D_{s 0}^{*} (2317)$ resonance is a molecular state of the $D K$ …

$a_{0} (980)$ production, triangle singularity, and non- $ϕ$ background in the $J / ψ \to ϕ η π^{0}$ reaction

Hai-Peng Li, Wei-Hong Liang, Chu-Wen Xiao +1

We study the $J / ψ \to ϕ η π^{0}$ reaction measured recently by the BESIII collaboration with high precision, paying attention to three important aspects: 1) The production of the $a_0(…

The $D_{s 0}^{} (2317)^{+}$ decay to $D_{s}^{+} π^{0}$ and $D_{s}^{+} γ$

Pei-Sen Su, Wen-Tao Lyu, Wei-Hong Liang +1

We study the strong decay of $D_{s 0}^{*} (2317)^{+}$ to $D_{s}^{+} π^{0}$ considering the coupled channels of $D^{0} K^{+}, D^{+} K^{0}, D_{s}^{+} η$ and $D_{s}^{+} π^{0}$ within a picture for the interaction…

Superexotic $K^{+} D^{+} K^{*+}$ bound state

Wen-Hao Jia, Pei-Shen Su, Wei-Hong Liang +2

We study a system made from $K^{*+} D^{*+} K^{*+}$ with charge $3$ , isospin $I = 3/2$ , spin $J = 3$ , and a quark content of $c d ˉ s ˉ u s ˉ u$ , which make it highly exotic relat…

The $Λ_{c}^{+} \to Λ π^{+} π^{+} π^{-}$ reaction, and a triangle singularity producing the $Σ^{*} (1430)$ state

Yi-Yao Li, Jing Song, Eulogio Oset +2

We study the decay $Λ_{c}^{+} \to Λ π^{+} π^{+} π^{-}$ , focusing on the production of the $Σ^{*} (1430)$ resonance observed by the Belle Collaboration. Interpreted as a dynamically generated sta…

Role of $a_{0} (980)$ in the decays $D^{0} \to K^{+} K^{-} η$ and $π^{+} π^{-} η$

Sara Rahmani, Wei Liang, Yu-Wen Peng +3

In present work, we study the reactions $D^{0} \to K^{+} K^{-} η$ and $D^{0} \to π^{+} π^{-} η$ , and find that the $a_{0} (980)$ state plays a dominant role. At the quar…

Determination of the $K^{+} K ˉ^{0}$ scattering length and effective range from the $D^{+} \to K ˉ^{0} π^{+} η$ reaction

Jing Song, Wei-Hong Liang, Eulogio Oset

We study the scattering parameters of the $K^+\bar{K}^0$ system through the analysis of the $D^+\to\bar{K}^0π^+η$ reaction, aiming at determining the scattering length $a$ an…

$P_{c} (4440)$ and $P_{c} (4457)$ decay into $D ˉ Σ_{c}$ and $D ˉ Λ_{c}$ and the spin of the $P_{c}$ states

Zi-Ying Yang, Jing Song, Wei-Hong Liang +1

We address the issue of the width and spin assignment of the $P_{c} (4440)$ and $P_{c} (4457)$ pentaquark states. We calculate the partial decays widths of the particles into $J / ψ N$ , $\b…

The role of the $f_{0} (1710)$ and $a_{0} (1710)$ resonances in the $D^{0} \to ρ^{0} ϕ$ , $ω ϕ$ decays

Natsumi Ikeno, Wen-Hao Jia, Wei-Hong Liang +1

We study the $D^{0} \to ρ^{0} ϕ$ , $ω ϕ$ decays which proceed in a direct mode via internal emission with equal rates. Yet, the experimental branching ratio for the $ρ^{0} ϕ$ mode is twice…

Roles of $f_{0} (500)$ and $f_{0} (980)$ in the $D_{(s)}^{+} \to π^{+} π^{+} π^{-}$ decays

Zhong-Yu Wang, Wei Liang

With the recent measurements of the $D_{s}^{+} \to π^{+} π^{+} π^{-}$ and $D^{+} \to π^{+} π^{+} π^{-}$ decays by the LHCb Collaboration, we study these two decay process…

Determination of the binding and $D K$ probability of the $D_{s 0}^{*} (2317)$ from the $(D ˉ K ˉ)^{-}$ mass distributions in $Λ_{b} \to Λ_{c} (D ˉ K ˉ)^{-}$ decays

Hai-Peng Li, Wei-Hong Liang, Chu-Wen Xiao +2

We study the $Λ_{b} \to Λ_{c} D ˉ^{0} K^{-}$ and $Λ_{b} \to Λ_{c} D^{-} K ˉ^{0}$ decays which proceed via a Cabibbo and $N_{c}$ favored process of external emission, and we determin…

Determination of the $K^{+} K ˉ^{0}$ scattering length and effective range and its relation to the $a_{0}^{+} (980)$ from the $χ_{c 1} \to π^{+} π^{-} η$ reaction

Hai-Peng Li, Jia-Xin Lin, Wei-Hong Liang +1

We analyze the clean cusp, seen in the $η π$ mass distribution with high precision of the $χ_{c 1} \to η π^{+} π^{-}$ reaction in the BESIII experiment, with the aim of making a precise d…

How to unravel the nature of the $Σ^{*} (1430) (1/ 2^{-})$ state from correlation functions

Hai-Peng Li, Chu-Wen Xiao, Wei-Hong Liang +3

We calculate the correlation functions for the $K ˉ^{0} p, π^{+} Σ^{0}, π^{0} Σ^{+}, π^{+} Λ$ , and $η Σ^{+}$ states, which in the chiral unitary approach predict an excited $Σ^{*} (1/ 2^{-})$ state…

Study of possible $D N D^{*}$ bound states

Victor Montesinos, Jing Song, Wei-Hong Liang +3

We start from a recently favored picture in which the $Λ_{c} (2940)$ and $Λ_{c} (2910)$ correspond mostly to $N D^{*}$ bound states with $J^{P} = 1/ 2^{-}, 3/ 2^{-}$ and then add a $D$ as a third…

The $Ω_{c} \to π^{+} (π^{0}, η) π Ξ^{*}$ reactions and the two $Ξ (1820)$ states

Wei-Hong Liang, Raquel Molina, Eulogio Oset

We have studied the $Ω_{c} \to π^{+} (π^{0}, η) π Ξ^{*}$ decays, where the final $π Ξ^{*}$ comes from the decay of two resonances around the nominal $Ξ (1820)$ , which are generated from the int…

$a_{0} (1710)$ - $f_{0} (1710)$ mixing effect in the $D_{s}^{+} \to K_{S}^{0} K_{S}^{0} π^{+}$ decay

Yu-Wen Peng, Wei Liang, Xiaonu Xiong +1

With the measurements of the decay $D_{s}^{+} \to K_{S}^{0} K_{S}^{0} π^{+}$ by the BESIII Collaboration, we investigate this three-body weak decay via the chiral unitary approach for th…

$D^{+} \to K_{s}^{0} π^{+} η$ reaction and $a_{0} (980)^{+}$

Natsumi Ikeno, Jorgivan M. Dias, Wei-Hong Liang +1

We study the $D^{+} \to K ˉ^{0} π^{+} η$ reaction where the $a_{0} (980)$ excitation plays a dominant role. We consider mechanisms of external and internal emission at the quark level, h…