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Related papers: Dynamical coupled-channel models for hadron dynami…

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In this review, we present the current state of the art of our understanding of the spectrum of excited strongly interacting particles and discuss methods that allow for a systematic and model-independent calculation of the hadron spectrum.…

High Energy Physics - Phenomenology · Physics 2023-07-17 Maxim Mai , Ulf-G. Meißner , Carsten Urbach

A set of coupled two-body scattering equations is solved for the DN system embedded in an iso-symmetric nuclear matter. The in-medium behavior of charmed D mesons: (D^+,D^0), is investigated from the self-consistent solution within this…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Mizutani , A. Ramos

Recent theory progresses in (3+1)D dynamical descriptions of relativistic nuclear collisions at finite baryon density are reviewed. Heavy-ion collisions at different collision energies produce strongly coupled nuclear matter to probe the…

Nuclear Theory · Physics 2022-02-16 Chun Shen

Hadronic interactions are discussed within the context of the constituent quark model. The "Quark Born Diagram" methodology is outlined, extensive applications to meson-meson and meson-baryon interactions are discussed, and general features…

High Energy Physics - Phenomenology · Physics 2007-05-23 Eric S. Swanson

We use a unitary coupled-channel model to study the $\bar{D} \Lambda_c - \bar{D} \Sigma_c$ interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with…

High Energy Physics - Phenomenology · Physics 2018-02-02 Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

We perform a global analysis of lattice and experimental data on negative-strangeness meson-baryon scattering using a large set of variations of the theoretical framework based on the Chiral Unitary Approach. For the former, the L\"uscher…

High Energy Physics - Phenomenology · Physics 2025-07-22 Ferenc Pittler , Maxim Mai , Ulf-G. Meißner , Ryan F. Ferguson , Peter Hurck , David G. Ireland , Bryan McKinnon

We discuss baryon resonances which are dynamically generated in hadron dynamics based on chiral coupled channels approach. With the dynamical description of the baryon resonance, we discuss the origin of the resonance pole, finding that for…

Nuclear Theory · Physics 2012-04-23 Dasiuke Jido

A dynamical coupled-channel formalism for processes $\pi N \to KY$ and $\gamma N \to KY$ is presented which provides a comprehensive investigation of recent data on the $\gamma p \to K^+ \Lambda$ reaction. The non-resonant interactions…

Nuclear Theory · Physics 2009-11-11 B. Julia-Diaz , B. Saghai , T. -S. H. Lee , F. Tabakin

In this note we first introduce the theoretical formalism of the unitarization of the two-body scattering both in the infinite and finite volumes. Then we apply this formalism to the study of the $Z_c(3900)$ resonance in the $J/\psi\,\pi$…

High Energy Physics - Phenomenology · Physics 2020-01-06 Mei-Zhu Yan , Dan Zhou , Zhi-Hui Guo

The interactions of $\bar{D}^{(*)} \Lambda_c - \bar{D}^{(*)}\Sigma_c^{(*)}$ are studied within the framework of a dynamical coupled-channel approach. A series of bound states and resonances with different spin and parity are dynamically…

High Energy Physics - Phenomenology · Physics 2022-06-08 Zheng-Li Wang , Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

The effective residual interaction for a system of hadrons has a long tradition in theoretical physics. It has been mostly addressed in terms of boson exchange models. The aim of this review is to describe approaches based on lattice field…

High Energy Physics - Lattice · Physics 2007-05-23 H. Rudolf Fiebig , Harald Markum

The continuum-discretized coupled-channels (CDCC) method is used to study the breakup of weakly-bound nuclei at intermediate energies collisions. For large impact parameters, the Eikonal CDCC (E-CDCC) method was applied. The effects of…

Nuclear Theory · Physics 2014-11-20 Kazuyuki Ogata , C. A. Bertulani

We report on the latests developments in the field of baryonic resonances generated from the meson-baryon interaction in coupled channels using a chiral unitary approach. The collection of resonances found in different strangeness and…

Nuclear Theory · Physics 2007-05-23 A. Ramos , C. Bennhold , A. Hosaka , T. Hyodo , D. Jido , U. G. Meissner , J. A. Oller , E. Oset , M. J. Vicente-Vacas

Based on the Lippmann-Schwinger equation approach, a generalized L\"uscher's formula in 1+1 dimensions for two particles scattering in both the elastic and coupled-channel cases in moving frames is derived. A 2D coupled-channel scattering…

High Energy Physics - Lattice · Physics 2013-08-09 Peng Guo

The spectrum of a system with multiple channels composed of two hadrons with nonzero total momentum is determined in a finite cubic volume with periodic boundary conditions using effective field theory methods. The results presented are…

High Energy Physics - Lattice · Physics 2013-11-27 Raul A. Briceno , Zohreh Davoudi

We derive the expression for the nonperturbative coupling of a hadron to two external currents from its underlying structure in QCD. Microscopically, the action of each current is resolved to a coupling with dressed quarks. The Lorentz…

High Energy Physics - Phenomenology · Physics 2013-05-30 Gernot Eichmann , Christian S. Fischer

Dirac phenomenological coupled channel analyses are performed using an optical potential model for the high-lying excited vibrational states at 800 MeV unpolarized proton inelastic scatterings from $^{22}$Ne nucleus. Lorentz-covariant…

Nuclear Theory · Physics 2016-01-20 Sugie Shim , Moon-Won Kim

The coupled-channel theory is a natural way of treating nonelastic channels, in particular those arising from collective excitations, defined by nuclear deformations. Proper treatment of such excitations is often essential to the accurate…

Nuclear Theory · Physics 2015-03-13 G. P. A. Nobre , F. S. Dietrich , M. Herman , A. Palumbo , S. Hoblit , D. Brown

Three-hadron spectroscopy is a key frontier in our understanding of the hadron spectrum. In recent years, significant formal and numerical advances have paved the way for studying three-hadron processes directly from lattice QCD, with…

High Energy Physics - Lattice · Physics 2025-04-02 Fernando Romero-López

Recent studies have shown that the well established $\Lambda_c(2595)$ resonance contains a large meson-baryon component, which can vary depending on the specific formalism. In this work, we examine such a picture by utilizing the…

High Energy Physics - Phenomenology · Physics 2016-06-29 Jun-Xu Lu , Hua-Xing Chen , Zhi-Hui Guo , J. Nieves , Ju-Jun Xie , Li-Sheng Geng