Refining threshold resummations

Details Refining threshold resummations Refining threshold resummations

2006-07-18

arxiv.org/abs/hep-ph/0607194v1

Nucl.Phys.Proc.Suppl.160:240-244,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

Presented at 8th DESY Workshop on Elementary Particle Theory: Loops and Legs in Quantum Field Theory, Eisenach, Germany, 23-28

Scientific paper

10.1016/j.nuclphysbps.2006.09.11

We describe some recent refinements of the techniques of threshold resummation, with emphasis on the usefulness of dimensional regularization when applied to nonabelian exponentiation. Threshold resummation is now under theoretical control for DIS and electroweak annihilation cross sections all the way to the fourth tower of logarithms and up to corrections suppressed by powers of the threshold variable.

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