Higher Twist Corrections and Maxima for DIS on a Proton in the High Density QCD Region

Abstract

We show that the ratio of different structure functions have a maximum which depends on energy. We argue, using Golec-Biernat and Wusthoff model, that these maxima are the certain functions of the saturation scale. The analysis of leading and higher twist contributions for different observables is given with the aim of determining the kinematic region where high parton density effects could be seen experimentally.

arXiv comment8 pages, 3 figures

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• Probing the low-x structure of nuclear matter with diffractive hadron production in pA collisions
• Gluon multiplicity in coherent diffraction of onium on a heavy nucleus
• Describing F_2 through a finite sum of gluon ladders