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Extending the QCD Perturbative Domain to Higher Energies
[article]
2003
arXiv
pre-print
After a brief introduction to low-x QCD and to resummation approaches, I illustrate the predictions for the gluon Green function and splitting function of a recent renormalization-group improved small-x resummation scheme. I argue, on this basis, that the range of validity of perturbative calculations is considerably extended in rapidity with respect to leading log expectations. The perturbative high-energy exponents are predicted in a phenomenologically interesting range, and significant
arXiv:hep-ph/0310110v1
fatcat:dwpc3l6o3zcorcgkafmbdztwpq