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Related papers: Nucleon's axial-vector form factor in the hard-wal…

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The axial-vector form factor of the nucleons is studied at a finite temperature using the holographic soft-wall model with the thermal dilaton field. We use the bulk interaction action known from the zero temperature case and apply the…

High Energy Physics - Phenomenology · Physics 2023-11-27 Shahin Mamedov , Narmin Nasibova

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

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

The nucleon axial vector form factor is investigated in a light-cone quark spectator diquark model, in which Melosh rotations are applied to both the quark and vector diquark. It is found that this model gives a very good description of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Bo-Qiang Ma , Di Qing , Ivan Schmidt

The electromagnetic transition form factors for the transition between the ground and excited states of nucleons are studied in the framework of the hard-wall model of AdS/QCD. The profile functions of the spinor and vector fields in the…

High Energy Physics - Phenomenology · Physics 2025-05-30 Shahin Mamedov , Shahnaz Taghiyeva

We present a unified description of elastic and transition form factors involving the nucleon and its resonances; in particular, the $N(1440)$, $\Delta(1232)$ and $\Delta(1600)$. We compare predictions made using a framework built upon a…

Nuclear Theory · Physics 2020-08-26 J. Segovia , C. Chen , Z. -F. Cui , Y. Lu , C. D. Roberts

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 light of the improved precision of the experimental measurements and enormous theoretical progress, the nucleon form factors have been evaluated with an aim to understand how the static properties and dynamical behavior of nucleons…

High Energy Physics - Phenomenology · Physics 2017-11-03 Harleen Dahiya , Monika Randhawa

Flagship neutrino oscillation experiments depend on precise and accurate theoretical knowledge of neutrino-nucleon cross sections across a variety of energies and interaction mechanisms. Key ingredients to the amplitudes that make up these…

High Energy Physics - Lattice · Physics 2026-01-07 Aaron S. Meyer

We present new parameterizations of vector and axial nucleon form factors. We maintain an excellent descriptions of the form factors at low momentum transfers, where the spatial structure of the nucleon is important, and use the Nachtman…

High Energy Physics - Experiment · Physics 2008-11-26 A. Bodek , S. Avvakumov , R. Bradford , H. Budd

Precise knowledge of the nucleon's axial-current form factors is crucial for modeling GeV-scale neutrino-nucleus interactions. Unfortunately, the axial form factor remains insufficiently constrained to meet the precision requirements of…

Nuclear Theory · Physics 2020-11-04 Xilin Zhang , T. J. Hobbs , Gerald A. Miller

We study the electromagnetic form factors and tensor polarization observables of the deuteron in the framework of the hard-wall AdS/QCD model. We find a profile function for the bulk twist $\tau=6$ vector field, which describes the deuteron…

High Energy Physics - Phenomenology · Physics 2023-02-16 Narmin Huseynova , Shahin Mamedov , Jannat Samadov

By using the AdS/CFT correspondence, we investigate various form factors between nucleons and mesons in a nuclear medium. In order to describe a nuclear medium holographically, we take into account the thermal charged AdS geometry with an…

High Energy Physics - Theory · Physics 2018-02-14 Chanyong Park , Jung Hun Lee

We compute the nucleon axial and induced pseudoscalar form factors using three ensembles of gauge configurations, generated with dynamical light quarks with mass tuned to approximately their physical value. One of the ensembles also…

Precision measurements of antineutrino elastic scattering on hydrogen from future neutrino experiments offer a unique opportunity to access the low-energy structure of protons and neutrons. We discuss the determination of the nucleon…

High Energy Physics - Phenomenology · Physics 2024-03-05 Roberto Petti , Richard J. Hill , Oleksandr Tomalak

We investigate the nucleon to $\Delta$ transition form factors in a soft-wall AdS/QCD model and a light-front quark-diquark model inspired by AdS/QCD. From the transition form factors we evaluate the transition charge densities which…

High Energy Physics - Phenomenology · Physics 2016-09-15 Dipankar Chakrabarti , Chandan Mondal

The nucleon axial-vector form factor, $G_A$, is critical to determine the electroweak interactions of leptons with nucleons. Important examples of processes influenced by $G_A$ are elastic (anti)neutrino-nucleon scattering and muon capture…

High Energy Physics - Phenomenology · Physics 2026-04-09 Oleksandr Tomalak , Aaron S. Meyer , Clarence Wret , Tejin Cai , Richard J. Hill , Kevin S. McFarland

We present an improved study of the electromagnetic form factors of the nucleon and of the Roper-nucleon transition using an extended version of the effective action of soft-wall AdS/QCD. We include novel contribution from additional…

High Energy Physics - Phenomenology · Physics 2018-03-21 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt

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 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
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