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Related papers: Quark model description of the \Lambda_c(2940)^+ a…

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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

The Lambdac(2940)+ baryon with possible quantum numbers J(P) = 1/2+ and 1/2- is studied as a molecular state composed of a nucleon and D* meson. We give predictions for the strong two-body decay channels Lambdac(2940)+ to p D0, Sigmac(++)…

High Energy Physics - Phenomenology · Physics 2010-02-03 Yubing Dong , Amand Faessler , Thomas Gutsche , Valery E. Lyubovitskij

In this work, we treat $\Lambda_c(2910)^+$ and $\Lambda_c(2940)^+$ as the conventional $udc$ cores dressed with the $D^*N$ channel. We provide a possible interpretation to both $\Lambda_c(2910)^+$ and $\Lambda_c(2940)^+$ within the same…

High Energy Physics - Phenomenology · Physics 2023-03-08 Zi-Le Zhang , Zhan-Wei Liu , Si-Qiang Luo , Fu-Lai Wang , Bo Wang , Hao Xu

The Lambdac(2940)+ baryon with quantum numbers J(P) = 1/2(+) is considered as a molecular state composed of a nucleon and D* meson. We give predictions for the width of the radiative decay process Lambdac(2940)+ to Lambdac(2286)+ gamma in…

High Energy Physics - Phenomenology · Physics 2010-09-03 Yubing Dong , Amand Faessler , Thomas Gutsche , S. Kumano , Valery E. Lyubovitskij

Stimulated by the observation of $\Lambda_c(2910)^+$ by the Belle Collaboration, the $S$-wave $qqq\bar{q}c~(q=u~\text{or}~d)$ pentaquark systems with $I$ = 0, $J^P$ = $\frac{1}{2}^-,~\frac{3}{2}^- and~\frac{5}{2}^-$ are investigated in the…

High Energy Physics - Phenomenology · Physics 2022-11-23 Ye Yan , Xiaohuang Hu , Yuheng Wu , Hongxia Huang , Jialun Ping , Youchang Yang

The Lambdac(2940)+ baryon with quantum numbers J(P) = 1/2(+) is considered as a hadronic molecule composed of a nucleon and D* meson. We give predictions for the width of the strong three-body decay processes Lambdac(2940)+ to…

High Energy Physics - Phenomenology · Physics 2011-05-13 Yubing Dong , Amand Faessler , Thomas Gutsche , S. Kumano , Valery E. Lyubovitskij

The developments in the experimental facilities and analyses techniques have recently lead to the observation of many hadronic states ranging from excitations of conventional hadrons to various exotic states. The baryons with single heavy…

High Energy Physics - Phenomenology · Physics 2022-10-17 K. Azizi , Y. Sarac , H. Sundu

Heavy quark symmetry can help us identify the internal structure of hadrons and predict new particles. In this study, we examine the strong decay modes of the observed $\Lambda_b^0(6146)$ and $\Lambda_b^0(6152)$, assuming these two states…

High Energy Physics - Phenomenology · Physics 2024-06-18 Jing-wen Feng , Cai Cheng , Yin Huang

The recently discovered $P_c(4380)^+$ and $P_c(4450)^+$ states at LHCb have masses close to the $\bar D\Sigma_c^*$ and $\bar D^*\Sigma_c$ thresholds, respectively, which suggest that they may have significant meson-baryon molecular…

High Energy Physics - Phenomenology · Physics 2017-02-01 P. G. Ortega , D. R. Entem , F. Fernández

The chiral partner structure of heavy baryons is studied using the bound state approach by binding the heavy-light mesons to nucleon as soliton in an effective Lagrangian for the pseudoscalar and vector mesons based on the hidden local…

High Energy Physics - Phenomenology · Physics 2013-04-02 Masayasu Harada , Yong-Liang Ma

Inspired by the latest experimental progress, we systematically study the OZI-allowed two-body strong decay properties of $1P$-, $1D$-, $2S$- and $2P$-wave $\Lambda_c$ baryons within the $j $-$j$ coupling scheme in the framework of the…

High Energy Physics - Phenomenology · Physics 2025-08-21 Yu-Bin Zhang , Li-Ye Xiao , Xian-Hui Zhong

The ground state masses and binding energies of the nucleon, $\Lambda^0$, $\Lambda^+_c$, $\Lambda^0_b$ are studied within a constituent quark QCD-inspired light-front model. The light-front Faddeev equations for the $Qqq$ composite spin 1/2…

High Energy Physics - Phenomenology · Physics 2015-06-25 E. F. Suisso , J. P. B. C. de Melo , T. Frederico

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

Using a constituent quark model we study the mass and decay channels of meson meson and meson baryon structures in the charm sector. We show that the $X(3872)$ and $X(3940)$ resonances can be described as mixed charmonium-molecular states…

High Energy Physics - Phenomenology · Physics 2013-12-03 F. Fernandez , D. R. Entem , P. G. Ortega

Following the work of Capstick and Isgur [\href{https://doi.org/10.1103/PhysRevD.34.2809}{Phys.~Rev.~D~34,~2809~(1986)}], we systematically study the mass spectrum of the heavy baryons in the relativized quark potential model with…

High Energy Physics - Phenomenology · Physics 2024-10-01 Xin-Zhen Weng , Wei-Zhen Deng , Shi-Lin Zhu

We study the bottom $\Lambda_b(6146)^0$ baryon, newly discovered by the LHCb Collaboration. By adopting an interpolating current of $(L_{\rho}, L_{\lambda})=(0,2)$ type and $D$-wave nature with spin-parity quantum numbers…

High Energy Physics - Phenomenology · Physics 2020-04-29 K. Azizi , Y. Sarac , H. Sundu

A potential model for the interaction between a charmed baryon ($\Lambda_c$, $\Sigma_c$, and $\Sigma_c^*$) and the nucleon ($N$) is constructed. The model contains a long-range meson ($\pi$ and $\sigma$) exchange part and a short-distance…

Nuclear Theory · Physics 2016-02-25 Saori Maeda , Makoto Oka , Akira Yokota , Emiko Hiyama , Yan-Rui Liu

Charmed baryon strong decays are studied in a chiral quark model. The data for the decays of $\Lambda^+_c(2593)$, $\Lambda^+_c(2625)$, $\Sigma^{++,+,0}_c$ and $\Sigma^{+,0}_c(2520)$, are accounted for successfully, which allows to fix the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xian-Hui Zhong , Qiang Zhao

We study the $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ recently observed by LHCb using the method of QCD sum rules within the framework of heavy quark effective theory. Our results suggest that they can be interpreted as $D$-wave bottom…

High Energy Physics - Phenomenology · Physics 2020-07-09 Qiang Mao , Hua-Xing Chen , Hui-Min Yang

We have performed a coupled channel calculation of the $1^{++}$ $c\bar c$ sector including $q\bar q$ and $DD^*$ molecular configurations. The calculation was done within a constituent quark model which successfully describes the meson…

High Energy Physics - Phenomenology · Physics 2015-03-13 P. G. Ortega , J. Segovia , D. R. Entem , F. Fernandez
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