English
Related papers

Related papers: Charmed baryonic resonances in medium

200 papers

We study the properties of heavy mesons using a unitarized approach in a hot pionic medium, based on an effective hadronic theory. The interaction between the heavy mesons and pseudoscalar Goldstone bosons is described by a chiral…

High Energy Physics - Phenomenology · Physics 2019-10-04 Gloria Montaña , Angels Ramos , Laura Tolos

The interaction between various charmed mesons and charmed baryons are studied within the framework of the coupled channel unitary approach with the local hidden gauge formalism. Several meson-baryon dynamically generated narrow $N^*$ and…

Nuclear Theory · Physics 2010-12-28 Jia-Jun Wu , R. Molina , E. Oset , B. S. Zou

We propose a modification of the mechanism of charmed quarks fragmentation into $D$ mesons in hadronic collisions. It is shown that the distinction in valence quark distributions in the initial $\pi^{\pm}$ and $K^{\pm}$ mesons leads to…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. K. Likhoded , S. R. Slabospitsky

The extension of chiral theories to the description of resonances, via the incorporation of unitarity in coupled channels, has provided us with a new theoretical perspective on the nature of some of the observed excited hadrons. In this…

Nuclear Theory · Physics 2015-05-13 A. Ramos , V. K. Magas , T. Mizutani , E. Oset , L. Tolos

Charmed mesons in hot and dense matter are studied within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected at the CBM experiment at FAIR/GSI. The $D$ meson spectral function…

Nuclear Theory · Physics 2009-05-13 L. Tolos , D. Gamermann , R. Molina , E. Oset , A. Ramos

The in-medium properties of charm mesons ($D$ and $\bar D$) in a hot and dense matter are studied. A self-consistent coupled-channel approach is driven by a broken SU(4) s-wave Tomozawa-Weinberg interaction supplemented by an attractive…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected for the CBM experiment at FAIR/GSI. The…

High Energy Physics - Phenomenology · Physics 2009-11-12 L. Tolos , D. Cabrera , D. Gamermann , C. Garcia-Recio , R. Molina , J. Nieves , E. Oset , A. Ramos

Based on the color-spin interaction in diquarks, we argue that charmed multiquark hadrons are likely to exist. Because of the appreciable number of charm quarks produced in central nucleus-nucleus collisions at ultrarelativistic energies,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Su Houng Lee , Shigehiro Yasui , Wei Liu , Che Ming Ko

The spectral density of the $D$-meson in the nuclear environment is studied within a self-consistent coupled-channel approach assuming a separable potential for the bare meson-baryon interaction. The $DN$ interaction, described through a…

Nuclear Theory · Physics 2009-11-10 L. Tolos , J. Schaffner-Bielich , A. Mishra

Interactions of charmed and strange mesons with baryonic matter can be calculated in the nonrelativistic quark potential model. For KN scattering data exists, and the theoretical results for S-waves are in approximate agreement with…

High Energy Physics - Phenomenology · Physics 2008-11-26 Noel Black

This dissertation investigates exotic hadrons with heavy-quark content that may be understood as being generated dynamically from the hadron-hadron interaction. This interaction is derived from a suitable effective Lagrangian and properly…

High Energy Physics - Phenomenology · Physics 2022-07-25 Glòria Montaña

We study the properties of open-charm mesons ($D$ and $\bar {D}$) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon interactions are adopted from a type of broken SU(4) s-wave…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

We study baryon resonances with heavy flavor in a molecular approach, thus as dynamically generated by baryon-meson scattering. This is accomplished by using a unitary coupled-channel model taking, as bare interaction, the extension of the…

High Energy Physics - Phenomenology · Physics 2013-04-18 O. Romanets , C. Garcia-Recio , L. L. Salcedo , J. Nieves , L. Tolos

We perform a comprehensive analysis of the role of nonperturbative (or intrinsic) charm in the nucleon, generated through Fock state expansions of the nucleon wave function involving five-quark virtual states represented by charmed mesons…

High Energy Physics - Phenomenology · Physics 2014-04-23 T. J. Hobbs , J. T. Londergan , W. Melnitchouk

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

We study two- and three-baryon systems with two units of charm looking for possible bound states or resonances. All two-baryon interactions are consistently derived from a constituent quark model tuned in the light-flavor hadron…

High Energy Physics - Phenomenology · Physics 2020-08-12 H. Garcilazo , A. Valcarce

We study the D-meson spectral density in dense matter within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interaction, a separable potential. Our coupled-channel model generates dynamically the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Laura Tolos , Juergen Schaffner-Bielich , Amruta Mishra

We study the two-baryon system with two units of charm looking for the possible existence of a loosely bound state resembling the $H$ dibaryon. We make use of a chiral constituent quark model tuned in the description of the baryon and meson…

High Energy Physics - Phenomenology · Physics 2015-08-17 T. F. Carames , A. Valcarce

Recent data on the production of $D$ mesons and $\Lambda_c^+$ baryons in heavy ion collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider exhibit a number of striking characteristics such as enhanced yield ratios…

High Energy Physics - Phenomenology · Physics 2020-05-20 Rui-Qin Wang , Jun Song , Feng-Lan Shao , Zuo-Tang Liang

Spectroscopy and strong decays of the charmed baryons are reviewed. Possible spin-parity quantum numbers of several newly observed charmed baryon resonances are discussed. Strong decays of charmed baryons are analyzed in the framework of…

High Energy Physics - Phenomenology · Physics 2011-06-15 Hai-Yang Cheng