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γ* γ* Scattering via Secondary Reggeon Exchange in QCD

Jochen Bartels, Michael Lublinsky

hep-pharXiv:hep-ph/0406273

Abstract

We summarize the results on the high energy behavior of quark-antiquark exchange in γ* γ* elastic scattering. The ladder diagrams, summed in the double logarithmic approximation, provide a perturbative QCD model for secondary reggeon exchange.

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