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Related papers: Possible $\Lambda_c\Lambda_c$ molecular bound stat…

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Many newly discovered excited states are interpreted as bound states of hadrons. Can these hadrons also form resonant states? In this paper, we extend the complex scaling method (CSM) to calculate the bound state and resonant state…

High Energy Physics - Phenomenology · Physics 2021-09-15 Zhuo Yu , Mao Song , Jian-You Guo , Yu Zhang , Gang Li

We discuss the possible power counting schemes that can be applied in the effective field theory description of heavy meson molecules, such as the X(3872) or the recently discovered Zb(10610) and Zb(10650) states. We argue that the effect…

High Energy Physics - Phenomenology · Physics 2015-06-04 M. Pavon Valderrama

We study the interesting problem of interaction and identification of the hadronic molecules which seem to be deuteron-like structure. In particular, we propose a binding mechanism in which One Boson Exchange Potential plus Yukawa…

High Energy Physics - Phenomenology · Physics 2018-07-10 D. P. Rathaud , Ajay Kumar Rai

Mass and full decay width of the hadronic tensor molecule $\mathcal{M}_{ \mathrm{T}}=B_c^{\ast +}B_c^{\ast -}$ are examined in the framework of QCD sum rule method. To find the mass $m$ and current coupling $\Lambda$ of this state, we use…

High Energy Physics - Phenomenology · Physics 2025-11-17 S. S. Agaev , K. Azizi , H. Sundu

In this work, we adopt the one-boson-exchange model to study the $D^{(*)}K^{(*)}$ interactions. With the same parameters, we can simultaneously reproduce the masses of the $D_{s0}(2317)$, $D_{s1}(2460)$, and $T_{c\bar{s}}^{a0(++)}(2900)$…

High Energy Physics - Phenomenology · Physics 2022-08-23 Rui Chen , Qi Huang

During the last decades, numerous exotic states which cannot be explained by the conventional quark model have been observed in experiment. Some of them can be understood as two-body hadronic molecules, such as the famous $X(3872)$,…

High Energy Physics - Phenomenology · Physics 2019-08-07 Li Ma , Qian Wang , Ulf-G. Meißner

We discuss the effective field theory description of bound states composed of a heavy baryon and antibaryon. This framework is a variation of the ones already developed for heavy meson-antimeson states to describe the $X(3872)$ or the $Z_c$…

High Energy Physics - Phenomenology · Physics 2019-04-30 Jun-Xu Lu , Li-Sheng Geng , Manuel Pavon Valderrama

The $B_c$ meson, a unique bound state comprising of two open heavy flavors, charm and bottom, offers a rich avenue for probing the predictions of the Next Decade - Standard Model (ND-SM) physics properties due to its heavy mass. With recent…

High Energy Physics - Phenomenology · Physics 2024-11-19 Sonali Patnaik

We study the effect of a hot and dense medium on the binding energy of hadronic molecules with open-charm mesons. We focus on a recent chiral quark-model-based prediction of a molecular state in the $N \bar D$ system. We analyze how the…

High Energy Physics - Phenomenology · Physics 2016-08-17 T. F. Caramés , C. E. Fontoura , G. Krein , K. Tsushima , J. Vijande , A. Valcarce

We evaluate a hadronic molecule formed by a heavy meson and a nucleon respecting heavy quark symmetry. The tensor force of pion exchange potential plays a dominate role to produce an strong attraction in this system. Solving coupled channel…

High Energy Physics - Phenomenology · Physics 2019-08-14 Yasuhiro Yamaguchi , Shunsuke Ohkoda , Shigehiro Yasui , Atsushi Hosaka

The purpose of this note is to report predictions of the binding energy of the $\Lambda$ hyperon in nuclear matter using the latest version of the Juelich nucleon-nucleon meson-exchange potential. Results from a conventional Brueckner…

Nuclear Theory · Physics 2008-01-08 Francesca Sammarruca

The LHCb collaboration has recently discovered three pentaquark-like states --- the $P_c(4312)$, $P_c(4440)$ and $P_c(4457)$ --- close to the $\bar{D} \Sigma_c$ and the $\bar{D}^* \Sigma_c$ meson-baryon thresholds. The standard…

High Energy Physics - Phenomenology · Physics 2019-11-27 Manuel Pavon Valderrama

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…

High Energy Physics - Phenomenology · Physics 2024-10-02 Qing-Fu Song , Qi-Fang Lü , Dian-Yong Chen , Yu-Bing Dong

We discuss the exotic hadron structure and hadron-hadron interactions in view of heavy ion collisions. First, we demonstrate that a hadronic molecule with a large spatial size would be produced more abundantly in the coalescence model…

Nuclear Theory · Physics 2015-06-12 A. Ohnishi , S. Cho , T. Furumoto , T. Hyodo , D. Jido , C. M. Ko , K. Morita , S. H. Lee , M. Nielsen , T. Sekihara , S. Yasui , K. Yazaki

We perform a systematic study of the possible molecular states composed of a pair of heavy mesons such as $D\bar D$, $D^\ast\bar D$, $D^\ast \bar D^\ast$ in the framework of the meson exchange model. The exchanged mesons include the…

High Energy Physics - Phenomenology · Physics 2009-05-26 Xiang Liu , Zhi-Gang Luo , Yan-Rui Liu , Shi-Lin Zhu

By solving the Lippmann-Schwinger equation, possible hadronic molecules in the $D^*\bar K$-$D\bar K^*$ coupled-channel system are investigated with the one-meson exchange potentials, where both vector and pseudoscalar mesons are considered…

High Energy Physics - Phenomenology · Physics 2025-07-09 Pan-Pan Shi , F. Gil-Domínguez , R. Molina , Meng-Lin Du

A systematic study of possible deuteronlike two-meson bound states, {\it deusons}, is presented. Previous arguments that many such bound states may exist are elaborated with detailed arguments and numerical calculations including, in…

High Energy Physics - Phenomenology · Physics 2009-07-09 Nils A. Törnqvist

We discuss a scenario in which the $P_c(4450)^{+}$ heavy pentaquark is a $\Sigma_c \bar{D}^*$-$\Lambda_{c}(2595) \bar{D}$ molecule. The $\Lambda_{c1} \bar{D} \to \Sigma_c \bar{D}^*$ transition is mediated by the exchange of a pion almost on…

High Energy Physics - Phenomenology · Physics 2018-07-19 Lisheng Geng , Junxu Lu , Manuel Pavon Valderrama

In the framework of the one-boson-exchange model, we have studied the interaction of the $B^*\bar{B}$ and $B^*\bar{B}^{*}$ system. After considering the S-wave and D-wave mixing, we notice that both $Z_b(10610)^\pm$ and $Z_b(10650)^\pm$ can…

High Energy Physics - Phenomenology · Physics 2011-09-02 Zhi-Feng Sun , Jun He , Xiang Liu , Zhi-Gang Luo , Shi-Lin Zhu

The interaction of Lambda*=Lambda(1405) with a nucleon is studied from the viewpoint of chiral dynamics. We construct the coordinate space Lambda* N potential in the meson-exchange picture, which serves as a fundamental ingredient for the…

Nuclear Theory · Physics 2011-10-26 Toshitaka Uchino , Tetsuo Hyodo , Makoto Oka