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Related papers: $\Lambda_{c}(2910)$ and $\Lambda_{c}(2940)$ produc…

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In the present work, we investigate the productions of $\Lambda_c(2910)$ and $\Lambda_c(2940)$ in association with $D_{s0}^{\ast }(2317)^-$ and $D_{s1}(2460)^-$ via $K^- p$ scattering, where we assign $\Lambda_c(2910)$ and $\Lambda_c(2940)$…

High Energy Physics - Phenomenology · Physics 2026-03-17 Quan-Yun Guo , Zi-Li Yue , Dian-Yong Chen

In this work, we investigate the productions of $\Lambda_{c}(2910)$ and $\Lambda_{c}(2940)$ in the $p \bar{p} \rightarrow \bar{\Lambda}_{c} D^{0} p$ process by utilizing an effective Lagrangian approach, where both $\Lambda_{c}(2910)$ and…

High Energy Physics - Phenomenology · Physics 2026-03-31 Quan-Yun Guo , Dian-Yong Chen

We report on a theoretical study of the $\pi^- p \to D^- D^0 p$ reaction near threshold within an effective Lagrangian approach. The production process is described by $t$ channel $D^{*0}$ meson exchange, $s$-channel nucleon pole, and $u$…

High Energy Physics - Phenomenology · Physics 2015-11-23 Ju-Jun Xie , Yu-Bing Dong , Xu Cao

Stimulated by the observation of a new structure, named $\Lambda_{c}(2910)$, in the $\Sigma_{c}(2455)^{0,++}\pi^{+,-}$ decay channel from B meson decay process by the Belle Collaboration, and the similarity of the…

High Energy Physics - Phenomenology · Physics 2024-05-28 Zi-Li Yue , Quan-Yun Guo , Dian-Yong Chen

In the present work, the production of $\Xi(1620)$ in the $K^- p$ scattering process is investigated by using an effective Lagrangian approach, where $\Xi(1620)$ is considered as a $\bar{K} \Lambda$ molecular state. Our estimations indicate…

High Energy Physics - Phenomenology · Physics 2023-11-29 Quan-Yun Guo , Zi-Li Yue , Dian-Yong Chen

In the present work, we examine the production of $\Xi(1530)$ in the $K^- p \to K^{+} \Xi(1530)^{-}$ and $K^- p \to K^{0} \Xi(1530)^{0}$ reactions utilizing an effective Lagrangian approach. To accurately fit the cross sections for both…

High Energy Physics - Phenomenology · Physics 2026-03-20 Quan-Yun Guo , Jing Liu , Peiwen Wu , Dian-Yong Chen

By assuming that the $\Lambda _{c}^{\ast }(2940)$ is a $pD^{\ast 0}$ molecular state with spin-parity $J^{P}=\frac{1}{2}^{+}$ and $J^{P}=\frac{1}{2}^{-}$, the photoproduction of charmed $\Lambda _{c}^{\ast }(2940)$ baryon in the $\gamma…

High Energy Physics - Phenomenology · Physics 2015-11-30 Xiao-Yun Wang , Alexey Guskov , Xu-Rong Chen

In the present work, we investigate $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ production from $\Lambda_b$ decay in a molecular scenario by using an effective Lagrangian approach. We predict the ratio of the branching fraction of $\Lambda_b…

High Energy Physics - Phenomenology · Physics 2019-12-11 Qi Wu , Dian-Yong Chen

In the present work, we investigate the production of $P_{c}$ and $Z_c(3900)/Z_{cs}(3985)$ states in the processes of $\pi p \rightarrow Z_{c}(3900) P_{c} $/$Kp\rightarrow Z_{cs}(3985) P_{c}$ with an effective Lagrangian approach. Our…

High Energy Physics - Phenomenology · Physics 2021-11-17 Jing Liu , Dian-Yong Chen , Jun He

In this work we evaluate the production rate of the charmed baryon $\Lambda_c(2940)^+$ at PANDA. For possible assignments of $\Lambda_c(2940)^+$: $J^P=1/2^\pm$, $3/2^\pm$ and $5/2^\pm$, the total cross section of $p\bar{p}\to…

High Energy Physics - Phenomenology · Physics 2011-12-12 Jun He , Zhen Ouyang , Xiang Liu , Xue-Qian Li

A new baryonic state $\Lambda_{c}(2940)^{+}$ has recently been discovered by the Babar collaboration in the $D^{0}p$ channel. Later Belle collaboration also observed this state in the $\Sigma_c(2455)^{0,++} \pi^{\pm}\to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xiao-Gang He , Xue-Qian Li , Xiang Liu , Xiao-Qiang Zeng

We investigate the possibility to study the charmed baryon $\Lambda_c(2940)$ by kaon-induced reaction on a proton target. By assuming the $\Lambda_c(2940)$ as a $pD^{*0}$ molecular state with spin-parity $J^{p}=1/2^{\pm}$, an effective…

High Energy Physics - Phenomenology · Physics 2019-02-06 Yin Huang , Jun He , Ju-Jun Xie , Xurong Chen , Hong-Fei Zhang

We investigate the charmed baryon production reaction $p\bar{p}\rightarrow\Lambda_c\bar{\Lambda}_c$ in an effective Lagrangian approach. Besides the $t$-channel $D^0$ and $D^{*0}$ mesons exchanges, the $s$-channel $Y(4630)$ meson exchange…

High Energy Physics - Phenomenology · Physics 2016-08-05 Yan-Yan Wang , Qi-Fang Lü , En Wang , De-Min li

In the present work, we study the production problem of the charmed baryon $\Lambda_c(2860)^+$ at $\overline{\mbox{P}}$ANDA. With the $J^P=\frac{3}{2}^+$ assignment to $\Lambda_c(2860)^+$, an effective Lagrangian approach is adopted to…

High Energy Physics - Phenomenology · Physics 2022-02-09 Qing-Yong Lin , Xiang Liu

The production of hidden-bottom pentaquark $P_{b}$ states via $\gamma p$ and $\pi ^{-}p$ scatterings is studied within an effective Lagrangian approach and the vector-meson-dominance mechnism. For the $P_{b}$ production in the process…

High Energy Physics - Phenomenology · Physics 2020-07-16 Xiao-Yun Wang , Jun He , Xurong Chen

Considering the mass, parity and $D^0 p$ decay mode, we tentatively assign the $\Lambda_c(2940)$ as the $P-$wave states with one radial excitation. Then, via studying the strong decay behavior of the $\Lambda_c(2940)$ within the $^3P_0$…

High Energy Physics - Phenomenology · Physics 2018-08-15 Qi-Fang Lü , Li-Ye Xiao , Zuo-Yun Wang , Xian-Hui Zhong

In this work, the production mechanisms of the hyperon resonances $\Lambda(1405)$ and $\Lambda(1520)$ in the $\pi^- p$ scattering are investigated within an effective Lagrangian approach incorporating Regge trajectories. By including…

Nuclear Theory · Physics 2026-02-19 Yuan Gao , Xiao-Yun Wang , Xiang Liu

In the present work, we investigate the production of the newly observed $P^\Lambda_{\psi s}(4338)$ state in $\Xi_b^-$ decay, where the $P^\Lambda_{\psi s}(4338)$ is assigned as a $\Xi_c \bar{D}$ molecular state. By using an effective…

High Energy Physics - Phenomenology · Physics 2024-04-19 Qi Wu , Dian-Yong Chen

In this work, we investigate the production and decay of the molecular states $cc\bar c\bar q$ with $J^P=1^+$ using the phenomenological analysis and effective Lagrangian approach. Based on an SU(3) flavor symmetry analysis to identify…

High Energy Physics - Phenomenology · Physics 2026-04-06 Na Li , Ye Xing , Jing-Rui Shi

The $\Lambda$-hypernucleus production by $A(p, pK^+)_{\Lambda}B$ reactions is investigated within the framework of the distorted wave impulse approximation(DWIA). The amplitude for the elementary process is evaluated in a fully covariant…

Nuclear Theory · Physics 2008-05-10 Hantao Jing , Pengnian Shen , Huanching Chiang
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