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Nucleon structure including high Fock states in AdS/QCD models A. Vega, I. Schmidt, T. Gutsche, V. E. Lyubovitskij

Contributor(s): Vega, Alfredo | Gutsche, Thomas | Lyubovitskij, Valery E | Schmidt, Ivan A | Томский государственный университет Физический факультет Научные подразделения ФФMaterial type: ArticleArticleSubject(s): квантовая хромодинамика | Фока пространство | лагранжианыGenre/Form: статьи в журналах Online resources: Click here to access online In: Few-body systems Vol. 56, № 6. P. 633-637Abstract: 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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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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