Color dipole picture of deep inelastic scattering, revisited
Abstract
Based upon the color-dipole picture, we provide closed analytic expressions for the longitudinal and the transverse photoabsorption cross-sections at low values of the Bjorken variable of x≲0.1. We compare with the experimental data for the longitudinal-to-transverse ratio of the (virtual) photoabsorption cross-section and with our previous fit to the experimental data for the total photoabsorption cross-section. Scaling in terms of the low-x scaling variable η(W2,Q2) is analyzed in terms of the reduced cross-section of deep inelastic scattering.
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