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Proton Structure Functions from an AdS/QCD model with a deformed background

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arxiv 2007.09283 v2 pith:PC2XVBX7 submitted 2020-07-17 hep-ph hep-th

Proton Structure Functions from an AdS/QCD model with a deformed background

Eduardo Folco Capossoli , Miguel Angel Mart\'in Contreras , Danning Li , Alfredo Vega , Henrique Boschi-Filho This is my paper
classification hep-ph hep-th
keywords functionsmodelstructurebackgrounddeformedanomalousapproachbaryonic
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this work we study unpolarized spin $1/2$ baryonic deep inelastic scattering (DIS) in the regime of large Bjorken parameter $x$. We calculate the corresponding structure functions $F_{1,2}(x,q^2)$. Our approach is based on an AdS/QCD model with a deformed background, where we consider an exponential factor in the AdS$_5$ metric. Such a deformation implies the introduction of an anomalous dimension in the model. Our results for the structure functions are consistent with those found in the literature from experimental data.

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Cited by 2 Pith papers

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  1. Probing Proton Structure via Physics-Guided Neural Networks in Holographic QCD

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    A physics-guided neural network embedding AdS5 Dirac equation and holographic Pomeron fits SLAC proton F2 data with chi-squared per degree of freedom of 0.91 and identifies a kinematic crossover at x approximately 0.1...

  2. Gravitational form factors of the pion in light-front holographic QCD

    hep-ph 2026-07 conditional novelty 5.0

    An effective light-front wave function whose five-dimensional piece comes from holographic QCD yields pion gravitational form factors A(Q^{2}) and D(Q^{2}) that match lattice results after parameter tuning.