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Related papers: Nucleon Form Factors in Nuclear Medium

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We investigate meson's spectrum, decay constant and form factor in a nuclear medium through holographic two- and three-point correlation functions. To describe a nuclear medium composed of protons and neutrons, we consider a hard wall model…

High Energy Physics - Theory · Physics 2016-08-03 Chanyong Park

The electromagnetic form factors of nucleons are calculated using an AdS/QCD model by considering a Dirac field coupled to a vector field in the 5-dimensional AdS space. We also calculate a gravitational or energy-momentum form factor by…

High Energy Physics - Phenomenology · Physics 2009-06-30 Zainul Abidin , Carl E. Carlson

We investigate the nucleon's rest mass and dispersion relation in the nuclear medium which is holographically described by the thermal charged AdS geometry. On this background, the chiral condensate plays an important role to determine the…

High Energy Physics - Theory · Physics 2015-06-11 Bum-Hoon Lee , Chanyong Park

We investigate the medium modification of the generalized vector form factors of the nucleon, which include the electromagnetic and energy-momentum tensor form factors, based on an in-medium modified $\pi$-$\rho$-$\omega$ soliton model. We…

High Energy Physics - Phenomenology · Physics 2016-03-23 Ju-Hyun Jung , Ulugbek Yakhshiev , Hyun-Chul Kim

A modified version of the usual soft wall quadratic dilaton, a dilaton which catches the variation of the proton mass inside nucleons in the nuclear medium is used. With this dilaton, called nuclear dilaton, we have calculated the…

High Energy Physics - Phenomenology · Physics 2018-12-04 Alfredo Vega , M. A. Martin Contreras

We study the holographic light meson spectra and their mass splitting in the nuclear medium. In order to describe the nuclear matter, we take into account the thermal charged AdS geometry with two flavor charges, which can be reinterpreted…

High Energy Physics - Theory · Physics 2015-06-16 Bum-Hoon Lee , Shahin Mamedov , Siyoung Nam , Chanyong Park

We present a detailed analysis of nucleon electromagnetic and axial form factors in a holographic soft-wall model. This approach is based on an action which describes hadrons with broken conformal invariance and incorporates confinement…

High Energy Physics - Phenomenology · Physics 2012-08-23 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Alfredo Vega

In-medium nucleon electromagnetic form factors are calculated in the quark meson coupling model. The form factors are typically found to be suppressed as the density increases. For example, at normal nuclear density and $Q^2 \sim 0.3 {…

Nuclear Theory · Physics 2008-11-26 D. H. Lu , A. W. Thomas , K. Tsushima , A. G. Williams , K. Saito

We study the effect of the density-dependent axial and vector form factors on the electro-neutrino ($\nu_e$) and anti-neutrino $({\bar \nu}_e)$ reactions for a nucleon in nuclear matter or in $^{12}$C. The nucleon form factors in free space…

We study the modification of the nucleon axial form factor in nuclear matter. The internal quark substructure of the nucleon is self-consistently described by the quark meson coupling model. We find that the axial form factor of the bound…

Nuclear Theory · Physics 2007-05-23 D. H. Lu , A. W. Thomas , K. Tsushima

We study the physics with finite nuclear density in the framework of AdS/QCD with holographic baryon field included. Based on a mean field type approach, we introduce the nucleon density as a bi-fermion condensate of the lowest mode of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Youngman Kim , Chang-Hwan Lee , Ho-Ung Yee

There is evidence that the properties of hadrons are modified in a nuclear medium. Information about the medium modifications of the internal structure of hadrons is fundamental for the study of dense nuclear matter and high-energy…

Nuclear Theory · Physics 2025-05-09 G. Ramalho , K. Tsushima , Myung-Ki Cheoun

We study the axial-vector form factor of the nucleons at constant and homogenous isospin chemical potential using holographic QCD. Nucleon mass splitting in such isospin medium is taken into account. According to AdS/CFT correspondence, the…

High Energy Physics - Phenomenology · Physics 2022-05-31 Ibrahim Atayev , Shahin Mamedov

We present a comparative study of nucleon structure such as electromagnetic form factors, transverse charge and magnetization densities in three different models within AdS/QCD framework.

High Energy Physics - Phenomenology · Physics 2016-07-19 Chandan Mondal , Dipankar Chakrabarti

We investigate the energy-momentum tensor form factors of the nucleon in nuclear medium, based on an in-medium modified $\pi$-$\rho$-$\omega$ soliton model, with medium modifications of the mesons considered. The results allow us to…

High Energy Physics - Phenomenology · Physics 2014-06-27 Ju-Hyun Jung , Ulugbek Yakhshiev , Hyun-Chul Kim , Peter Schweitzer

The axial-vector form factor of the nucleons is considered in the framework of hard-wall model of holographic QCD. A new interaction term between the bulk gauge and matter fields was included into the interaction Lagrangian. We obtain the…

High Energy Physics - Theory · Physics 2017-05-04 Shahin Mamedov , Berin Belma Sirvanli , Ibrahim Atayev , Narmin Huseynova

Dispersion relations provide a powerful tool to describe the electromagnetic form factors of the nucleon both in the spacelike and timelike regions with constraints from unitarity and perturbative QCD. We give a brief introduction into…

High Energy Physics - Phenomenology · Physics 2014-11-17 H. -W. Hammer

We reanalyze the world data on the electromagnetic form factors of the nucleon. The calculations are performed in the framework of an algebraic model of the nucleon combined with vector meson dominance.

Nuclear Theory · Physics 2017-11-03 R. Bijker , A. Leviatan

Effects of the in-medium modifications of nucleon form factors on neutrino interaction in dense matter are presented by considering both the weak and electromagnetic interactions of neutrinos with the constituents of the matter. A…

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

We investigate how the gravitational form factors of the nucleon undergo changes in nuclear matter, emphasizing the Abel transformation from the three-dimensional (3D) Breit frame to the two-dimensional (2D) light-front frame. Since the…

High Energy Physics - Phenomenology · Physics 2022-09-07 June-Young Kim , Ulugbek Yakhshiev , Hyun-Chul Kim
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