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We calculate the effective potentials of the octet baryon and heavy meson systems using the chiral effective field theory up to the next-to-leading order. We consider the contact terms, one-pseudoscalar-meson and two-pseudoscalar-meson…

High Energy Physics - Phenomenology · Physics 2024-12-12 Bo-Lin Huang , Bo Wang , Shi-Lin Zhu

We study the interactions of the $\Sigma_c\Sigma_c$ system in the framework of chiral effective theory. We consider the contact, one-pion and two-pion exchange interactions and bridge the low energy constants of the $\Sigma_c\Sigma_c$…

High Energy Physics - Phenomenology · Physics 2022-04-29 Kan Chen , Bo-Lin Huang , Bo Wang , Shi-Lin Zhu

We perform a systematic exploration of the possible doubly charmed molecular pentaquarks composed of $\Sigma_c^{(*)}D^{(*)}$ with the one-boson-exchange potential model. After taking into account the $S-D$ wave mixing and the coupled…

High Energy Physics - Phenomenology · Physics 2021-10-13 Rui Chen , Ning Li , Zhi-Feng Sun , Xiang Liu , Shi-Lin Zhu

We relate the interactions of the $\bar{D}^{(\ast)} K^\ast$ and $D^{(\ast)} K^\ast$ systems to those of $D^{(\ast)}D^{(\ast)}$ and $D^{(\ast)}\bar{D}^{(\ast)}$ respectively, considering the residual strong interactions at the near-threshold…

High Energy Physics - Phenomenology · Physics 2024-02-28 Bo Wang , Kan Chen , Lu Meng , Shi-Lin Zhu

The orbitally excited heavy quark baryons are studied in the Callan Klebanov bound state model with heavy spin symmetry. First, a compact description of the large $N_c$, infinite heavy quark mass bound state wavefunctions and the collective…

High Energy Physics - Phenomenology · Physics 2010-11-01 Joseph Schechter , Anand Subbaraman

We perform a coupled-channels study of the $bb\bar c\bar c$ and $bc\bar b\bar c$ tetraquark systems in a molecular approach using a constituent quark model which has been widely used to satisfactorily describe a broad range of properties of…

High Energy Physics - Phenomenology · Physics 2025-05-09 Pablo G. Ortega , David R. Entem , Francisco Fernández , Jorge Segovia

We review our recent findings on the structure and properties of exotic heavy hadrons, focusing on two main topics. First, we examine the role of correlations driven by the short-range Coulomb-like color interaction in hidden heavy-flavor…

High Energy Physics - Phenomenology · Physics 2025-08-18 H- Garcilazo , A. Valcarce

We derive a $\Lambda \Lambda$ potential from a chiral constituent quark model that has been successful in describing one, two and three nonstrange baryon systems. The resulting interaction at low energy is attractive at all distances due to…

High Energy Physics - Phenomenology · Physics 2009-11-11 T. Fernandez-Carames , A. Valcarce , P. Gonzalez

The dibaryon concept for the nuclear force is presented, assuming that the main attraction between the nucleons at medium distances is determined by the $s$-channel exchange of an intermediate six-quark (dibaryon) state. To construct the…

Nuclear Theory · Physics 2022-12-13 V. I. Kukulin , V. N. Pomerantsev , O. A. Rubtsova , M. N. Platonova , I. T. Obukhovsky

In this work, we systematically investigate the heavy-strange meson systems, $D^{(*)}K^{(*)}/\bar{B}^{(*)}K^{(*)}$ and $\bar{D}^{(*)}K^{(*)}/B^{(*)}K^{(*)}$, to study possible molecules in a quasipotenial Bethe-Salpter equation approach…

High Energy Physics - Phenomenology · Physics 2021-11-24 Shu-Yi Kong , Jun-Tao Zhu , Dan Song , Jun He

We systematically investigate the dibaryons $\Xi^{(*)}_{cc}\Xi^{(*)}_{cc}$ (di-$\Xi_{cc}$) and $\Xi^{(*)}_{bb}\Xi^{(*)}_{bb}$ (di-$\Xi_{bb}$), with various isospin-spin configurations $I(J^P)$ in a nonrelativistic quark model. For the…

High Energy Physics - Phenomenology · Physics 2026-03-11 An-Su Lu , Mao-Jun Yan , Chun-Sheng An , Cheng-Rong Deng

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

A system of two heavy fermions, leptons or quarks of the fourth generation, which are bound together via the Higgs boson exchange is studied. The conventional Yukawa-type interaction produced by this exchange is accompanied by several…

High Energy Physics - Phenomenology · Physics 2015-05-28 Victor Flambaum , Michael Kuchiev

A generalization of the effective meson Lagrangian possessing the heavy quark symmetry to finite meson masses is employed to study the meson mass dependence of the spectrum of S-- and P wave baryons containing one heavy quark or anti-quark.…

High Energy Physics - Phenomenology · Physics 2010-11-01 J. Schechter , A. Subbaraman , S. Vaidya , H. Weigel

We have investigated the process of $\Lambda_b\to \Lambda D\bar{D}$, by taking into account the contributions from the $s$-wave $D\bar{D}$ interaction within the coupled-channel unitary approach, and the intermediate $\psi(3770)$ resonance.…

High Energy Physics - Phenomenology · Physics 2021-06-16 Le-Le Wei , Hong-Shen Li , En Wang , Ju-Jun Xie , De-Min Li , Yu-Xiao Li

We study hadronic molecules formed by a heavy meson and a nucleon, DN and D*N (BbarN and Bbar*N) systems. Respecting the heavy quark symmetry and chiral symmetry, we consider the DN-D*N (BbarN-Bbar*N$) mixing induced by the one boson…

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

We investigate the double-charm and hidden-charm hexaquarks as molecules in the framework of the one-boson-exchange potential model. The multichannel coupling and $S-D$ wave mixing are taken into account carefully. We adopt the complex…

High Energy Physics - Phenomenology · Physics 2023-03-29 Jian-Bo Cheng , Du-xin Zheng , Zi-Yang Lin , Shi-Lin Zhu

We have studied single-$\Lambda$ finite hypernuclear systems spanning from light to heavy masses, employing a new microscopic Lambda-N interaction derived from in-medium interactions within relativistic Brueckner-Hartree-Fock calculations…

Nuclear Theory · Physics 2025-09-23 Xuan Zeng , Ru-You Zheng , Zhi-Wei Liu , Li-Sheng Geng , Xian-Rong Zhou

We study heavy hadron spectroscopy near heavy meson thresholds. We employ heavy pseudoscalar meson P and heavy vector meson P* as effective degrees of freedom and consider meson exchange potentials between them. All possible composite…

High Energy Physics - Phenomenology · Physics 2015-06-11 Shunsuke Ohkoda , Y. Yamaguchi , S. Yasui , K. Sudoh , A. Hosaka

Starting from an effective Lagrangian with heavy quark spin symmetry embedded, the coupled-channel dynamics of the doubly charmed systems $D^{(*)} \Sigma_c^{(*)}$ is investigated. The potential underlying our investigation includes…

High Energy Physics - Phenomenology · Physics 2023-02-08 Chao-Wei Shen , Yong-hui Lin , Ulf-G. Meißner
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