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Related papers: Quark-meson coupling model with the cloudy bag

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I shortly review the application of a recently introduced constituent quark-meson model to the determination of some strong coupling constants governing the decays of charm heavy mesons with one pion in the final state. I present the model…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. D. Polosa

The work that Peter Schuck and I carried out during the nineties in collaboration with the Lyon and Darmstadt theory groups is summarized. I retrace how our theoretical developments combined with experimental results concerning the…

Nuclear Theory · Physics 2023-10-31 Guy Chanfray

A meson exchange model of the $\pi\pi$ interaction which fits free $\pi\pi$ scattering data is used to calculate the interactions of pions in nuclear matter as a function of nuclear density. Polarization of the nuclear medium by the pions…

Nuclear Theory · Physics 2009-10-30 R. Rapp , J. W. Durso , J. Wambach

The spectra of the scalar ($\sigma$) and vector ($\omega$) mesons in nuclear matter are studied in detail using the quark-meson coupling (QMC) model. It is shown that above normal nuclear matter density the effects of $\sigma$-$\omega$…

Nuclear Theory · Physics 2009-10-31 K. Saito , K. Tsushima , A. W. Thomas

Cosmology and particle physics come across a tight connection in the attempt to reproduce and understand quantitatively the results of experimental findings. Indeed, the quark gluon plasma (QGP) found at colliders and the baryon asymmetry…

High Energy Physics - Phenomenology · Physics 2014-09-02 Simone Biondini

We investigate the change of magnetic moments of octet baryons in nuclear matter at a finite density and temperature. Quark-meson coupling models are employed in describing properties of octet baryons and their interactions. Magnetic…

Nuclear Theory · Physics 2011-11-10 C. Y. Ryu , C. H. Hyun , M. -K. Cheoun

In this work, we extend the two-flavor Nambu--Jona-Lasinio model to one capable of exploring quark and nuclear matter consistently. With an extra term standing for quark-nucleon interactions, nucleons could automatically emerge as…

Nuclear Theory · Physics 2024-12-03 Gaoqing Cao

We study neutral and charged meson properties in magnetic field. Taking bosolization method in a two-flavor Nambu--Jona-Lasinio model, we derive effective meson Lagrangian density with minimal coupling to the magnetic field, by employing…

High Energy Physics - Phenomenology · Physics 2018-02-28 Ziyue Wang , Pengfei Zhuang

We study the pion structure function in nuclear medium using the Nambu and Jona-Lasinio model, and its implication for the nuclear pion enhancement of the sea quark distribution in nuclei. By using the operator product expansion, medium…

High Energy Physics - Phenomenology · Physics 2009-10-28 Katsuhiko Suzuki

In this work we show the modifications of nucleon mass and nucleon radius with the help of the extended Relativistic Mean Field (RMF) model. We argue that even small departures above nuclear equilibrium density with constant nucleon mass…

Nuclear Theory · Physics 2018-03-28 Jacek Rozynek

The improved quark mass density-dependent (IQMDD) model, which has been successfully used to describe the properties of both infinite nuclear matter and finite nuclei, is applied to investigate the properties of quark deconfinement phase…

Nuclear Theory · Physics 2015-06-05 Chen Wu , Wei-Liang Qian , Yu-Gang Ma , Guo-Qiang Zhang , Sanjeev Kumar

The quark-meson coupling (QMC) model is examined using Georgi's ``naive dimensional analysis''. We argue that the QMC model is quite natural as an effective field theory for nuclei.

Nuclear Theory · Physics 2016-09-08 K. Saito , K. Tsushima , A. W. Thomas

A model for nuclear medium modification of parton densities is presented. The approach is based on the global analysis of available deep inelastic scattering data for different nuclear targets within the rescaling model combined with taking…

High Energy Physics - Phenomenology · Physics 2025-10-13 A. V. Kotikov , A. V. Lipatov

The properties of nuclear matter and the structures of neutron stars are analyzed with a baryonic extended linear sigma model in mean-field approximation, where the masses of baryons and mesons are generated via the spontaneous chiral…

Nuclear Theory · Physics 2026-04-20 Yao Ma

We consider a chiral baryon-meson model for nucleons and their parity partners in mirror assignment interacting with pions, sigma and omega mesons to describe the liquid-gas transition of nuclear matter together with chiral symmetry…

Nuclear Theory · Physics 2015-08-05 Johannes Weyrich , Nils Strodthoff , Lorenz von Smekal

We review recent progress in modeling the quark-gluon content of mesons and their low-energy interactions through the Global Color Model field theory. An emphasis is placed on techniques that are shared with the approach based on…

Nuclear Theory · Physics 2009-10-30 P. C. Tandy

In this work we present an extended version of the Friedrichs Model, which includes fermion-boson couplings. The set of fermion bound states is coupled to a boson field with discrete and continuous components. As a result of the coupling…

Nuclear Theory · Physics 2009-11-13 O. Civitarese , M. Gadella

We present results of hypernuclei calculated in the latest quark-meson coupling (QMC) model, where the effect of the mean scalar field in-medium on the one-gluon exchange hyperfine interaction, is also included self-consistently. The extra…

Nuclear Theory · Physics 2011-02-16 K. Tsushima , P. A. M. Guichon

By combining RMF models and equivparticle models with density-dependent quark masses, we construct explicitly ``a quark Fermi Sea'' and ``a baryonic Fermi surface'' to model the quarkyonic phase, where baryons with momentums ranging from…

High Energy Physics - Phenomenology · Physics 2024-12-02 Cheng-Jun Xia , Hao-Miao Jin , Ting-Ting Sun

The effect of strange interactions in neutron star matter and the role of the strange meson-hyperon couplings are studied in a relativistic quark model where the confining interaction for quarks inside a baryon is represented by a…

Nuclear Theory · Physics 2019-05-15 H. S. Sahoo , R. N. Mishra , D. K. Mohanty , P. K. Panda , N. Barik
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