Electron-photon deep inelastic scattering at small x in holographic QCD
Akira Watanabe, Hsiang-nan Li
TL;DR
This paper models electron-photon deep inelastic scattering at small x using holographic QCD and Pomeron exchange, successfully matching experimental data and photon structure functions.
Contribution
It introduces a holographic QCD approach with Pomeron exchange to calculate photon structure functions at small x, aligning theory with experimental results.
Findings
Predicted photon structure functions agree with LEP data.
Holographic model reproduces known photon parton distribution functions.
Validates Pomeron exchange in holographic QCD for DIS processes.
Abstract
We study the electron-photon deep inelastic scattering at small Bjorken variable x in the framework of holographic QCD, employing the Pomeron exchange to describe the involved strong interaction. With the Brower-Polchinski-Strassler-Tan Pomeron exchange kernel and appropriate wave functions for the incident and target particles, which are defined in the five-dimensional AdS space, we obtain the photon structure functions. It is shown that our predictions agree with the experimental data measured at LEP and with those derived from a known parameterization of the photon parton distribution functions.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research · Particle physics theoretical and experimental studies