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Related papers: Pion in the Medium with a Light-Front Model

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Using the light-front pion wave function based on a Bethe-Salpeter amplitude model, we study the properties of the pion in symmetric nuclear matter. The pion model we adopt is well constrained by previous studies to explain the pion…

High Energy Physics - Phenomenology · Physics 2014-09-10 J. P. B. C. de Melo , K. Tsushima , Bruno El-Bennich , E. Rojas , T. Frederico

Properties of \r{ho}-meson in symmetric nuclear matter are investigated within a light-front constituent quark model (LFCQM), using the in-medium input calculated by the quark-meson coupling (QMC) model. The LFCQM used here was previously…

High Energy Physics - Phenomenology · Physics 2017-03-08 J. P. B. C. de Melo , K. Tsushima

Pion valence distributions in nuclear medium and vacuum are studied in a light-front constituent quark model. The in-medium input for studying the pion properties is calculated by the quark-meson coupling model. We find that the in-medium…

High Energy Physics - Phenomenology · Physics 2017-01-20 J. P. B. C de Melo , K. Tsushima , I. Ahmed

Properties of $\rho$-meson in symmetric nuclear matter are investigated in a light-front constituent quark model (LFCQM), using the in-medium inputs calculated by the quark-meson coupling (QMC) model. The LFCQM used in this study was…

High Energy Physics - Phenomenology · Physics 2018-12-26 J. P. B. C. de Melo , K. Tsushima

The structure and electroweak properties of the pion in symmetric nuclear matter are presented in the framework of the Nambu--Jona-Lasinio model. The pion is described as a bound state of a dressed quark-antiquark pair governed by the…

Nuclear Theory · Physics 2020-01-08 Parada. T. P. Hutauruk , Yongseok Oh , K. Tsushima

We study the properties of the charged kaon in symmetric nuclear matter using a Bethe-Salpeter amplitude to model the quark-anti-quark bound state, which is well constrained by previous studies of its vacuum properties. The electromagnetic…

High Energy Physics - Phenomenology · Physics 2024-04-26 G. H. S. O. Yabusaki , J. P. B. C. de Melo , K. Tsushima , T. Frederico , W. de Paula

The charge form factor and weak decay constant of the pion as well as the pion-quark coupling constant in symmetric nuclear matter are explored in the framework of the Nambu--Jona-Lasinio model, where the pion is described as a bound state…

Nuclear Theory · Physics 2019-01-16 Parada T. P. Hutauruk , Yongseok Oh , K. Tsushima

Using the light-front kaon wave function based on a Bethe-Salpeter amplitude model for the quark-antiquark bound state, we study the Electromagnetic Form Factor (EMFF) of the kaon in nuclear medium within the framework of light-front field…

High Energy Physics - Phenomenology · Physics 2018-04-05 George H. S. Yabusaki , J. P. B. C. de Melo , Wayne de Paula , K. Tsushima , T. Frederico

We explore the modifications of hadron structure in a nuclear medium, focusing on the spacelike electromagnetic form factors (EMFFs) of light and heavy-light pseudoscalar mesons. By combining the light-front quark model (LFQM) with the…

High Energy Physics - Phenomenology · Physics 2025-06-04 Ahmad Jafar Arifi , Parada T. P. Hutauruk , Kazuo Tsushima

The properties of the kaon, $K$, and antikaon, $\kbar$, in nuclear medium are studied in the quark-meson coupling (QMC) model. Employing a constituent quark-antiquark (MIT bag model) picture, their excitation energies in a nuclear medium at…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , K. Saito , A. W. Thomas , S. V. Wright

We study the nucleon electromagnetic (EM) form factors in symmetric nuclear matter as well as in vacuum within a light-front approach using the in-medium inputs calculated by the quark-meson coupling model. The same in-medium quark…

High Energy Physics - Phenomenology · Physics 2018-03-14 W. R. B. de Aráujo , J. P. B. C. de Melo , K. Tsushima

We investigate the in-medium properties of pseudoscalar and vector mesons with the light-light and heavy-light quarks in a light-front quark model, using the in-medium quark properties computed by the quark-meson coupling model. Both models…

High Energy Physics - Phenomenology · Physics 2023-06-21 Ahmad Jafar Arifi , Parada. T. P. Hutauruk , Kazuo Tsushima

We discuss the link between the chiral symmetry of QCD and the numerical results of the light-front quark model (LFQM), analyzing both the two-point and three-point functions of a pseudoscalar meson from the perspective of the vacuum…

High Energy Physics - Phenomenology · Physics 2015-06-23 Ho-Meoyng Choi , Chueng-Ryong Ji

The properties of nuclear matter and finite nuclei are studied within the quark mean field (QMF) model by taking the effects of pion and gluon into account at the quark level. The nucleon is described as the combination of three constituent…

Nuclear Theory · Physics 2016-11-10 Xueyong Xing , Jinniu Hu , Hong Shen

We review the effect of hadron structure changes in a nuclear medium using the quark-meson coupling (QMC) model, which is based on a mean field description of non-overlapping nucleon (or baryon) bags bound by the self-consistent exchange of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Saito , K. Tsushima , A. W. Thomas

We calculate the valence quark generalized parton distributions (GPDs) of the lightest pseudoscalar meson, pion, in an isospin asymmetric nuclear matter at zero temperature by employing a light-cone quark model. The medium modifications in…

High Energy Physics - Phenomenology · Physics 2025-05-14 Satyajit Puhan , Navpreet Kaur , Arvind Kumar , Suneel Dutt , Harleen Dahiya

The quark-level linear sigma model is employed to compute a variety of electromagnetic and weak observables of light mesons, including pion and kaon form factors and charge radii, charged-pion polarizabilities, semileptonic weak $K_{\ell3}$…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael D. Scadron , Frieder Kleefeld , George Rupp , Eef van Beveren

Using the quark-meson coupling (QMC) model we study nuclear matter from the point of view of quark degrees of freedom. As the nucleon model we adopt the MIT bag model and the relativistic constituent quark model, where a square well and…

Nuclear Theory · Physics 2007-05-23 K. Saito

We apply the perturbative chiral quark model (PCQM) to analyse low-energy nucleon properties: electromagnetic form factors, meson-nucleon sigma-terms and pion-nucleon scattering. Baryons are described as bound states of valence quarks…

High Energy Physics - Phenomenology · Physics 2017-08-23 V. E. Lyubovitskij , Th. Gutsche , Amand Faessler

We present detailed numerical results for the pion space-like electromagnetic form factor obtained within a recently proposed model of the pion electromagnetic current in a confining light-front QCD-inspired model. The model incorporates…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. P. B. C. de Melo , T. Frederico , E. Pace , G. Salme
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