Two component model for a description of nucleon structure functions in low-x region

TL;DR

This paper presents a two-component model combining vector dominance and color dipole approaches to describe nucleon structure functions at low-x, incorporating meson spectra and transition effects.

Contribution

It introduces a novel two-component model that integrates generalized vector dominance with color dipole methods, including meson spectrum details and transition effects.

Findings

Model successfully describes low-x nucleon structure functions.

Incorporates meson mass spectrum with equidistant squared masses.

Accounts for nondiagonal meson-nucleon transitions.

Abstract

Two component model for a description of the electromagnetic nucleon structure functions in low-x region, based on generalized vector dominance and color dipole approaches is briefly described. The model operates with the mesons of rho-family having the mass spectrum which is equidistant on square mass and takes into account the nondiagonal transitions in meson-nucleon scattering. The special cut-off factors are introduced in the model, to exclude the gamma-qq-V transitions in the case of the narrow qq-pairs. For the color dipole part of the model the well known FKS-parameterization is used.