Power corrections in eikonal cross sections
classification
✦ hep-ph
keywords
eikonalapproximationcorrectionscrosspowersectionsannihilationassociated
read the original abstract
We discuss power corrections associated with the infrared behavior of the perturbative running coupling in the eikonal approximation to Drell-Yan and other annihilation cross sections in hadron-hadron scattering. General properties of the eikonal approximation imply that only even powers of the energy scale are necessary.
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