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Related papers: Note on the Mesons Mass Spectrum in a Soft-Wall Ad…

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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

By requiring the correct Regge behavior in both meson and nucleon sectors, we determine the infrared asymptotic behavior of various background fields in the soft-wall AdS/QCD model, including the dilaton, the warp factor, and the scalar…

High Energy Physics - Phenomenology · Physics 2015-05-28 Ya-Li He , Peng Zhang

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

The AdS/CFT correspondence may offer new and useful insights into the non- perturbative regime of strongly coupled gauge theories such as Quantum Chromodynamics. Soft-wall AdS/QCD models have reproduced the linear trajectories of meson…

High Energy Physics - Phenomenology · Physics 2015-06-17 Sean P. Bartz , Joseph I. Kapusta

We analyze here the mass spectrum of light vector and scalar mesons applying a novel approach where a modified soft wall model that includes a UV-cutoff at a finite $z$-position in the AdS space is used, thus introducing an extra energy…

High Energy Physics - Phenomenology · Physics 2017-12-04 Santiago Cortés , Miguel Ángel Martín Contreras , José Rolando Roldán

The purpose of this paper is to further study the soft-wall AdS/QCD model with constrained IR background. By including a quartic bulk scalar potential we study various meson and nucleon spectra. This model naturally realizes the…

High Energy Physics - Phenomenology · Physics 2015-06-05 Sheng Liu , Peng Zhang

We study light scalar mesons in the AdS/QCD soft-wall model with a background dilaton field, to investigate the features of this approach in describing QCD properties in the strong coupling regime. We find that the masses and decay…

High Energy Physics - Phenomenology · Physics 2009-06-25 Fulvia De Fazio

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

We study further the soft-wall AdS/QCD model with a cubic potential for the bulk scalar. We analyze the spectra of pseudoscalar, scalar, vector and axial-vector mesons. We also study the spin-1/2 nucleon spectrum and the pion-nucleon…

High Energy Physics - Phenomenology · Physics 2010-11-15 Peng Zhang

A soft-wall anti-de Sitter/QCD model with a modified five-dimensional metric at the infrared region is constructed to obtain a nontrivial dilaton solution, which incorporates the chiral symmetry breaking and linear confinement. By taking…

High Energy Physics - Phenomenology · Physics 2010-01-28 Yan-Qin Sui , Yue-Liang Wu , Zhi-Feng Xie , Yi-Bo Yang

We study light scalar mesons in the AdS/QCD soft-wall model with a background dilaton field. The masses and decay constants are compatible with experiment and QCD determinations if $a_0(980)$ and $f_0(980)$ are identified as the lightest…

High Energy Physics - Phenomenology · Physics 2008-12-18 P. Colangelo , F. De Fazio , F. Giannuzzi , F. Jugeau , S. Nicotri

We analyze light vector and scalar meson mass spectra using a novel approach where a modified soft wall model with a UV-cutoff is considered. Including this cutoff introduces an extra energy scale. For this model, we found that the masses…

High Energy Physics - Phenomenology · Physics 2017-11-08 Santiago Cortés , Miguel Ángel Martín Contreras , José Rolando Roldán

The Anti-de Sitter Space/Conformal Field Theory (AdS/CFT) correspondence may offer new and useful insights into the non-perturbative regime of strongly coupled gauge theories such as Quantum Chromodynamics (QCD). Recently a modified…

High Energy Physics - Phenomenology · Physics 2011-02-25 Thomas M. Kelley , Sean P. Bartz , Joseph I. Kapusta

Within a formulation of a Dynamical AdS/QCD model we calculate the spectrum of light flavored mesons. The background fields of the model correspond to an IR deformed Anti de Sitter metric coupled to a dilaton field. Confinement comes as a…

High Energy Physics - Phenomenology · Physics 2015-05-18 W. de Paula , T. Frederico

The mass spectra of light-flavor mesons are analyzed in a deformed AdS/QCD soft-wall model, driven by four distinct anomalous 5-dimensional mass corrections of the scalar field, coupled to Einstein--Hilbert gravity, from the QCD running…

High Energy Physics - Phenomenology · Physics 2024-12-24 Roldao da Rocha , Pedro H. O. Silva

Mesons and baryons are considered in soft-wall holographic approach based on the correspondence of string theory in AdS space and conformal field theory in physical space-time. The model generates Regge trajectories linear in n and J (L)…

High Energy Physics - Phenomenology · Physics 2012-04-24 Valery E. Lyubovitskij , Thomas Gutsche , Ivan Schmidt , Alfredo Vega

We present an holographical soft wall model which is able to reproduce Regge spectra for hadrons with an arbitrary number of constituents. The model includes the anomalous dimension of operators that create hadrons, together with a dilaton,…

High Energy Physics - Phenomenology · Physics 2015-05-18 Alfredo Vega , Ivan Schmidt

The Anti-de Sitter Space/Conformal Field Theory (AdS/CFT) correspondence may offer new and useful insights into the non-perturbative regime of strongly coupled gauge theories such as Quantum Chromodynamics (QCD). Soft-wall AdS/QCD models…

High Energy Physics - Phenomenology · Physics 2012-12-04 Sean P. Bartz , Joseph I. Kapusta

We study the scalar glueball and vector meson spectral functions in a hot and dense medium by means of the soft-wall holographic model of QCD. Finite temperature and density effects are implemented through the AdS/RN metric. We analyse the…

High Energy Physics - Phenomenology · Physics 2012-05-28 Pietro Colangelo , Floriana Giannuzzi , Stefano Nicotri

We construct and investigate an infrared-improved soft-wall AdS/QCD model for mesons. Both linear confinement and chiral symmetry breaking of low energy QCD are well characterized in such an infrared-improved soft-wall AdS/QCD model. The…

High Energy Physics - Phenomenology · Physics 2016-02-02 Ling-Xiao Cui , Zhen Fang , Yue-Liang Wu
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