Non-linear screening effects in high energy hadronic interactions

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Abstract
Non-linear effects in hadronic interactions are treated by means of enhanced Pomeron diagrams. The basic assumption of the scheme is that Pomeron-Pomeron interaction vertex is dominated by soft partonic processes. It is shown that the approach allows to resolve a seeming inconsistency between realistic parton momentum distributions, measured in deep inelastic scattering experiments, and the energy behavior of total proton-proton cross section. An important feature of the proposed scheme is that the contribution of semi-hard processes to the interaction eikonal contains a significant non-factorizable part. On the other hand, the approach preserves the QCD factorization picture for inclusive high-$p_{t}$ jet production.

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