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Dynamic AdS/QCD is a modification of AdS/QCD that includes the running of the anomalous dimension of the q-bar q quark bilinear and in which the generation of the constituent quark mass plays the role of an IR wall. The model allows one to…

High Energy Physics - Phenomenology · Physics 2015-11-25 Nick Evans , Peter Jones , Marc Scott

Meson spectroscopy within the frame of the soft-wall AdS/QCD, became one of the most interesting topics of particle physics in the last six years. In this work we attempt a generalized parametric analysis of the background dilaton gauge…

High Energy Physics - Phenomenology · Physics 2012-07-09 Vlasios Petousis

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 phenomenology of the recently proposed modified version of the Soft-Wall model of holographic QCD with a negative dilaton profile. We investigate vector and scalar mesons, evaluating mass spectra, decay constants and two-point…

High Energy Physics - Phenomenology · Physics 2011-02-01 Stefano Nicotri

We propose a unified approach to study meson, nucleon and $\Delta$-baryon properties at zero and finite temperatures in the context of hard-wall AdS/QCD model. We first combine some previous works dealing with mesons and baryons separately,…

High Energy Physics - Phenomenology · Physics 2016-05-25 Zhiyuan Wang , Bo-Qiang Ma

We consider an improved soft-wall AdS/QCD model coupled to an Einstein-dilaton system, which offers a way to study the deconfining and chiral transitions simultaneously. The correlation between these two transitions has been investigated in…

High Energy Physics - Phenomenology · Physics 2022-03-02 Ying-Ying Li , Xing-Lin Liu , Xin-Yi Liu , Zhen Fang

We scrutinize various holographic estimations of the deconfinement temperature within the bottom-up AdS/QCD models. A special emphasis is put on the recent idea of isospectral potentials in the holographic approach. It is demonstrated that…

High Energy Physics - Phenomenology · Physics 2020-01-23 S. S. Afonin , A. D. Katanaeva , E. V. Prokhvatilov , M. I. Vyazovsky

We show that a Dynamical AdS/QCD model is able to reproduce the linear Regge trajectories for the light-flavor sector of mesons with high spin and also for the scalar and pseudoscalar ones. In addition the model has confinement by the…

High Energy Physics - Phenomenology · Physics 2014-11-20 W. de Paula , T. Frederico

We construct a holographic model for baryons in the context of AdS/QCD and study the spin-1/2 nucleon spectra and its couplings to mesons, taking fully account of the effects from the chiral symmetry breaking. A pair of 5D spinors is…

High Energy Physics - Phenomenology · Physics 2008-11-26 Deog Ki Hong , Takeo Inami , Ho-Ung Yee

AdS/QCD models are being extensively studied because they seem to offer an entirely tractable and radically different approach to the phases of QCD whose region of validity is precisely the region of strong interactions. In this context, a…

High Energy Physics - Theory · Physics 2024-12-13 Akash Singh , K. P. Yogendran

Generalizing a covariant framework previously developed, it is shown that confinement insures that meson $\to q+\bar{q}$ decay amplitudes vanish when both quarks are on-shell. Regularization of singularities in a covariant linear potential…

High Energy Physics - Phenomenology · Physics 2007-05-23 Cetin Savkli , Franz Gross

We study light pseudoscalar and axial states using a soft wall model that is modified by introducing two extra parameters: an UV-cutoff and an anomalous term in the conformal dimension of the fields involved such that meson fields with…

High Energy Physics - Phenomenology · Physics 2020-07-15 Miguel Ángel Martín Contreras , Alfredo Vega , Santiago Cortés

We modified the current soft wall model by considering the Non-conformal aspect low energy QCD.

High Energy Physics - Phenomenology · Physics 2012-02-28 Keita Kaniba Mady , Dicko Younouss Hameye

Continuum strong QCD is the application of models and continuum quantum field theory to the study of phenomena in hadronic physics, which includes; e.g., the spectrum of QCD bound states and their interactions. Herein I provide a…

Nuclear Theory · Physics 2007-05-23 Craig D. Roberts

We review a recent work on masses of mesons and nucleons within a hard wall model of holographic QCD in a unified approach. In order to treat meson and nucleon properties on the same footing, we introduced the same infrared (IR) cut for…

High Energy Physics - Phenomenology · Physics 2009-12-11 Hyun-Chul Kim , Youngman Kim , U. T. Yakhshiev

We investigate in detail the chiral thermal transition of QCD in an improved soft-wall AdS/QCD model with a simply modified 5D conformal mass of the bulk scalar field. We also present a calculation in this model for the light meson spectra…

High Energy Physics - Phenomenology · Physics 2016-09-14 Zhen Fang , Yue-Liang Wu , Lin Zhang

We use lattice QCD simulations to test some of the predictions of proposed AdS/QCD (holographic) duals for QCD. In particular, these duals predict that the scale of chiral symmetry breaking ($\chi$SB) can be varied independently from that…

High Energy Physics - Lattice · Physics 2010-01-21 D. K. Sinclair

First part of the paper is devoted to applying the confinement mechanism proposed earlier by the author to estimate the possible parameters of the confining SU(3)-gluonic field in neutral kaons. The estimates obtained are consistent with…

High Energy Physics - Phenomenology · Physics 2010-12-14 Yu. P. Goncharov

We investigate the chiral phase transition in the soft-wall model of AdS/QCD at zero chemical potential for two-flavor and three-flavor cases, respectively. We show that there is no spontaneous chiral symmetry breaking in the original…

High Energy Physics - Phenomenology · Physics 2016-05-04 Kaddour Chelabi , Zhen Fang , Mei Huang , Danning Li , Yue-Liang Wu

In this paper, we present a holographic realization of spontaneous chiral symmetry breaking and confinement. The latter is realized by building a solution of 5d Einstein-dilaton gravity leading to a confining quark antiquark potential. The…

High Energy Physics - Phenomenology · Physics 2023-08-16 Alfonso Ballon-Bayona , Tobias Frederico , Luis A. H. Mamani , Wayne de Paula