Nucleon Properties in AdS/QCD models with several Fock States

Alfredo Vega, Ivan Schmidt, Thomas Gutsche, Valery E. Lyubovitskij

Research School of High-Energy Physics

Research output: Contribution to journal › Article

Abstract

We discuss a holographic soft-wall model that consider several Fock states in nucleon description. In our approach nucleon structure is a superposition of a three-valence quark state with high Fock states including an adjustable number of partons (quarks, antiquarks and gluons). With a minimal number of free parameters (dilaton scale parameter, mixing parameters of partial contributions of Fock states, coupling constants in the effective Lagrangian) we achieve a reasonable agreement with data.

Original language	English
Pages (from-to)	222-226
Number of pages	5
Journal	Nuclear and Particle Physics Proceedings
Volume	267-269
DOIs	https://doi.org/10.1016/j.nuclphysbps.2015.10.106
Publication status	Published - 2015

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Keywords

Fock states
Gauge/gravity duality
Proton
Soft-wall holographic model

ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

Vega, A., Schmidt, I., Gutsche, T., & Lyubovitskij, V. E. (2015). Nucleon Properties in AdS/QCD models with several Fock States. Nuclear and Particle Physics Proceedings, 267-269, 222-226. https://doi.org/10.1016/j.nuclphysbps.2015.10.106

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AB - We discuss a holographic soft-wall model that consider several Fock states in nucleon description. In our approach nucleon structure is a superposition of a three-valence quark state with high Fock states including an adjustable number of partons (quarks, antiquarks and gluons). With a minimal number of free parameters (dilaton scale parameter, mixing parameters of partial contributions of Fock states, coupling constants in the effective Lagrangian) we achieve a reasonable agreement with data.

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10.1016/j.nuclphysbps.2015.10.106