Beyond DGLAP improved saturation model

Abstract

We present a modification of the DGLAP improved saturation model with respect to the nonlinear correction (NLC). The GLR-MQ improved saturation model is considered by employing the parametrization of proton structure function due to the Laplace transforms method, which preserves its behavior success in the low and high $Q^2$ regions. We show that the geometric scaling holds for the GLR-MQ improved model in a wide kinematic region $r{Q}_s$. These results are comparable with other models in a wide kinematic region $r{Q}_s$. The behavior of the dipole cross sections, with respect to the GLR-MQ improved saturation model, are comparable with the Color Glass Condensate (CGC) model. The model describes the dipole cross sections in the inclusive and diffractive processes. We also compare the nonlinear corrections to the impact-parameter dependent saturation (IP-Sat) model with the impact-parameter dependent color glass condensate (b-CGC) dipole model. Finally, we consider the linear and nonlinear corrections to the IP Non-Sat model. These results provide a benchmark for further investigation of QCD at small $x$ in future experiments such as the Large Hadron Collider and Future Circular Collider projects.

Will be appear in Eur.Phys.J.C

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• Impact parameter dependent colour glass condensate dipole model
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Cited by in corpus (4)

• The unintegrated gluon distribution from the GBW and BGK models
• The dipole cross section by the unintegrated gluon distribution at small $x$
• The improved saturation model in nuclei
• Evolution of the color dipole cross section