Dian-Yong Chen
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View article: A combined analysis of Y(2240) in the $$e^+ e^- \rightarrow K^+ K^-$$ and $$e^+ e^- \rightarrow K_S^0 K_L^0$$ processes
A combined analysis of Y(2240) in the $$e^+ e^- \rightarrow K^+ K^-$$ and $$e^+ e^- \rightarrow K_S^0 K_L^0$$ processes Open
In the present work, we perform a combined analysis of the cross sections for $$e^+ e^- \rightarrow K^+ K^-$$ and $$e^+ e^- \rightarrow K_S^0 K_L^0$$ by including the interference between direct coupling pro…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msubsup> <mml:mi>Z</mml:mi> <mml:mrow> <mml:mi>c</mml:mi> <mml:mi>s</mml:mi> </mml:mrow> <mml:mo>+</mml:mo> </mml:msubsup> </mml:math> production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>B</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> decays
production in decays Open
In the present work, we study the Z c s + exotic state production in the B + meson decays through the meson loop mechanism, where the B + meson decays into an anticharmed meson and a charmed-strange meson pair, and consequent…
View article: $$\Lambda _c(2910)$$ and $$\Lambda _c(2940)$$ productions in association with $$D_{s0}^{*}(2317)^-$$ and $$D_{s1}(2460)^-$$ via $$K^- p$$ scattering
$$\Lambda _c(2910)$$ and $$\Lambda _c(2940)$$ productions in association with $$D_{s0}^{*}(2317)^-$$ and $$D_{s1}(2460)^-$$ via $$K^- p$$ scattering Open
In the present work, we investigate the productions of $$\Lambda _c(2910)$$ and $$\Lambda _c(2940)$$ in association with $$D_{s0}^{*}(2317)^-$$ and $$D_{s1}(2460)^-$$ through $$K^- p$$ sc…
View article: Production of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi mathvariant="normal">Ξ</mml:mi> <mml:mo>(</mml:mo> <mml:mn>1530</mml:mn> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:mi>p</mml:mi> </mml:mrow> </mml:math> scattering process
Production of in the scattering process Open
In the present work, we examine the production of Ξ ( 1530 ) in the K − p → K + Ξ ( 1530 ) − and K − p → K 0 Ξ ( 1530 ) 0 reactions utilizing an effective Lagrangian approach. To accurately fit the cross section…
View article: Systematic analysis of the transition form factors of $B_c$ to $D$-wave charmonia and corresponding semileptonic decays
Systematic analysis of the transition form factors of $B_c$ to $D$-wave charmonia and corresponding semileptonic decays Open
In this article, the vector, axial vector and tensor form factors of $B_c$ to $D$-wave charmonia $ψ_J$ ($J=1,2,3$) and $η_{c2}$ are analyzed within the framework of three-point QCD sum rules. With the estimated vector and axial vector form…
View article: $Λ_{c}(2910)$ and $Λ_{c}(2940)$ productions in $p \bar{p}$ annihilation and $K^{-}p$ scattering processes
$Λ_{c}(2910)$ and $Λ_{c}(2940)$ productions in $p \bar{p}$ annihilation and $K^{-}p$ scattering processes Open
In this work, we investigate the productions of $Λ_{c}(2910)$ and $Λ_{c}(2940)$ in the $p \bar{p} \rightarrow \barΛ_{c} D^{0} p$, $K^{-}p \rightarrow D^{-}_{s} D^{0} p$, and $K^{-}p \rightarrow D^{\ast-}_{s} D^{0} p$ processes by utilizing…
View article: Light meson decays of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>D</mml:mi></mml:math> wave charmonia
Light meson decays of wave charmonia Open
Motivated by the large non-DD¯ branching fraction of ψ1(3770), we investigate the light meson decays of the D-wave charmonia in the present work with the meson loop mechanism. With the parameter range determined by ψ1(3770)→ϕη, our estimat…
View article: Analysis of the semileptonic decays $Λ_b\toΛ_cl\barν_l$ and $Ξ_b\toΞ_cl\barν_l$ in QCD sum rules
Analysis of the semileptonic decays $Λ_b\toΛ_cl\barν_l$ and $Ξ_b\toΞ_cl\barν_l$ in QCD sum rules Open
In this article, the electroweak transition form factors of $Λ_b\toΛ_c$ and $Ξ_b\toΞ_c$ are analyzed within the framework of three-point QCD sum rules. In phenomenological side, all possible couplings of interpolating current to hadronic s…
View article: Determining the width of $D_{s0}^{*}(2317)$ by using $T_{c\bar{s}0}^{a}(2327)$ in a molecular frame
Determining the width of $D_{s0}^{*}(2317)$ by using $T_{c\bar{s}0}^{a}(2327)$ in a molecular frame Open
Motivated by the recent observation of the open-charm tetraquark $T_{c\bar{s}0}^{a}(2327)$ by the LHCb Collaboration, as well as results from Lattice QCD calculations, we consider the $T_{c\bar{s}0}^{a}(2327)$ and the $D_{s0}^{*}(2317)$ as…
View article: Study on the properties of hidden-charm pentaquarks with double strangeness
Study on the properties of hidden-charm pentaquarks with double strangeness Open
Since the LHCb collaboration successively reported the hidden-charm exotic states Pc and Pcs, these exotic states have rightfully attracted significant attention from theoretical perspectives. Motivated by these exotic states, this study s…
View article: Exploring the spectroscopic features of double-strangeness tetraquark states
Exploring the spectroscopic features of double-strangeness tetraquark states Open
Since the discovery of the $T_{cc}$ double-charm tetaquark by the LHCb collaboration, the field of the theoretical research on heavy quarks has advanced rapidly, with increasing interest in exploring the light quark sector. In this study, …
View article: The light meson decays of $D$ wave charmonia
The light meson decays of $D$ wave charmonia Open
Motivated by the large non-$D\bar{D}$ branching fraction of $ψ(3770)$, we investigate the light meson decays of the $D$-wave charmonia in the present work with the meson loop mechanism. With the parameter range determined by $ψ(3770) \to ϕ…
View article: $Λ_{c}(2910)$ and $Λ_{c}(2940)$ productions in $π^{-} p$ scattering process
$Λ_{c}(2910)$ and $Λ_{c}(2940)$ productions in $π^{-} p$ scattering process Open
In the present work, we propose to investigate the productions of $Λ_{c}(2910)$ and $Λ_{c}(2940)$ in the $π^{-} p \rightarrow D^{-} D^{0} p$ processes by utilizing an effective Lagrangian approach, where $Λ_c(2910)$ and $Λ_c(2940)$ are con…
View article: Two-body Hidden Charm Decays of $D$ Wave Charmonia
Two-body Hidden Charm Decays of $D$ Wave Charmonia Open
The experimental observations of $ψ_2(3823)$ and $ψ_3(3842)$ make $D$ wave charmonia family abundant. In the present work, we investigate the hidden charm decay processes of spin triplets of the $D$-wave charmonia with the meson loop mecha…
View article: Productions of bottom and bottom-strange mesons in pion and kaon induced reactions
Productions of bottom and bottom-strange mesons in pion and kaon induced reactions Open
In the present work, we propose to explore the productions of the bottom and bottom-strange mesons in the high-energy pion and kaon-induced reactions on a proton target. The cross sections are evaluated with an effective Lagrangian constru…
View article: The $Λ_c^+\toηπ^+Λ$ reaction and the $Λa_0^+(980)$ and $π^+Λ(1670)$ contributions
The $Λ_c^+\toηπ^+Λ$ reaction and the $Λa_0^+(980)$ and $π^+Λ(1670)$ contributions Open
We study from the theoretical point of view the $Λ_c^+\to π^+ ηΛ$ reaction, recently measured by the Belle and BESIII Collaborations, where clear signals are observed for $a_0(980)$, $Λ(1670)$, and $Σ(1385)$ excitation. By considering the …
View article: Probing the nature of the anticharmed-strange pentaquark states: Mass spectra, decays, and magnetic moments
Probing the nature of the anticharmed-strange pentaquark states: Mass spectra, decays, and magnetic moments Open
Within the framework of the quark delocalization color screening model, a systematic investigation of the anticharmed-strange pentaquark system is performed using the resonance group method. The currently estimations predict three bound st…
View article: Theoretical study of the open-flavor tetraquark $T_{c\bar{s}}(2900)$ in the process $\bar{B}_s^0 \to K^0 D^0 π^0$
Theoretical study of the open-flavor tetraquark $T_{c\bar{s}}(2900)$ in the process $\bar{B}_s^0 \to K^0 D^0 π^0$ Open
Recently, the LHCb Collaboration has measured two decay processes $B^0\to\bar{D}^0D_s^+π^-$ and $B^+\to D^-D_s^+π^+$ related to isospin symmetry, where two new open-flavor tetraquark states $T_{c\bar{s}}(2900)^0$ and $T_{c\bar{s}}(2900)^{+…
View article: Productions of bottom and bottom-strange mesons in pion and kaon induced reactions
Productions of bottom and bottom-strange mesons in pion and kaon induced reactions Open
In the present work, we propose to explore the productions of the bottom and bottom-strange mesons in the high-energy pion and kaon-induced reactions on a proton target. The cross sections are evaluated with an effective Lagrangian constru…
View article: Hidden Charm Decays of $Y(4626)$ in a $D_{s}^{*+}D_{s1}(2536)^{-}$ Molecular Frame
Hidden Charm Decays of $Y(4626)$ in a $D_{s}^{*+}D_{s1}(2536)^{-}$ Molecular Frame Open
In this work, we investigate the hidden charm decays properties of $Y(4626)$, where $Y(4626)$ is assigned as a $S-$wave $D_{s}^{*+}D_{s1}(2536)^{-}$ molecular state with $J^{PC}=1^{--}$. The partial widths of the processes $Y(4626)\to J/ψη…
View article: $X(4630)$ and $Y(4626)$ production in the $B^+$ and $B_s^0$ decays
$X(4630)$ and $Y(4626)$ production in the $B^+$ and $B_s^0$ decays Open
In the present work, we investigate the production of $X(4630)$ and $Y(4626)$ in $B^+$ and $B_s^0$ decays, where $X(4630)$ and $Y(4626)$ are considered as the $C-$ parity pigeon pair in the $D_{s}^{\ast+} D_{s1}(2536)^-$ molecular frame. T…
View article: Probing the nature of the anticharmed-strange pentaquark states: mass spectra, decays, and magnetic moments
Probing the nature of the anticharmed-strange pentaquark states: mass spectra, decays, and magnetic moments Open
Within the framework of the quark delocalization color screening model, a systematic investigation of the anticharmed-strange pentaquark system is performed using the resonance group method. The currently estimations predict three bound st…
View article: Predicting hidden bottom molecular tetraquarks with a complex scaling method
Predicting hidden bottom molecular tetraquarks with a complex scaling method Open
In present work, we perform a coupled-channel analysis of $B^{(*)}_{(s)}\bar{B}^{(*)}_{(s)}$ systems with the one-boson-exchange potentials. We first study the $I(J^{PC})=1(1^{+-})$ $B\bar{B}^{*}/B^{*}\bar{B}^{*}$ system to describe the $Z…
View article: Predictions of the strange partner of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>T</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi><mml:mi>c</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> in the quark delocalization color screening model
Predictions of the strange partner of in the quark delocalization color screening model Open
Inspired by the detection of Tcc tetraquark state by LHCb Collaboration, we perform a systemical investigation of the low-lying doubly heavy charm tetraquark states with strangeness in the quark delocalization color screening model in the …
View article: Production of $P^Λ_{ψs}(4338)$ from $Ξ_b$ decay
Production of $P^Λ_{ψs}(4338)$ from $Ξ_b$ decay Open
In the present work, we investigate the production of the newly observed $P^Λ_{ψs}(4338)$ state in $Ξ_b^-$ decay, where the $P^Λ_{ψs}(4338)$ is assigned as a $Ξ_c \bar{D}$ molecular state. By using an effective Lagrangian approach, we eval…
View article: Strong decays of the $Λ_{c}(2910)$ and $Λ_{c}(2940)$ in the $ND^{*}$ molecular frame
Strong decays of the $Λ_{c}(2910)$ and $Λ_{c}(2940)$ in the $ND^{*}$ molecular frame Open
Stimulated by the observation of a new structure, named $Λ_{c}(2910)$, in the $Σ_{c}(2455)^{0,++}π^{+,-}$ decay channel from B meson decay process by the Belle Collaboration, and the similarity of the $Λ_{c}(2910)/Λ_{c}(2940)$ and $P_{c}$ …
View article: Investigation of the analog of the $P_{c}$ states-the doubly charmed molecular pentaquarks
Investigation of the analog of the $P_{c}$ states-the doubly charmed molecular pentaquarks Open
Motivated by the LHCb Collaboration's observation of a doubly charmed tetraquark state $T_{cc}(3875)$, we systematically investigate the existence of doubly charmed pentaquark states using the resonating group method based on the QDCSM fra…
View article: $Ξ(1620)$ production in $K^- p$ scattering process
$Ξ(1620)$ production in $K^- p$ scattering process Open
In the present work, the production of $Ξ(1620)$ in the $K^- p$ scattering process is investigated by using an effective Lagrangian approach, where $Ξ(1620)$ is considered as a $\bar{K} Λ$ molecular state. Our estimations indicate that the…