Leading and Non-leading Singularities in Gauge Theory Hard Scattering
George Sterman
TL;DR
This paper reviews recent advances in the resummation of leading and nonleading enhancements in QCD cross sections and the analysis of poles in dimensionally-regularized hard-scattering amplitudes, highlighting both classic and new results.
Contribution
It provides a comprehensive overview of the latest progress in resummation techniques and the understanding of singularities in gauge theory hard scattering processes.
Findings
Resummation of leading enhancements in QCD cross sections
Analysis of nonleading singularities in gauge theory amplitudes
Identification of poles in dimensionally-regularized amplitudes
Abstract
This talk reviewed some classic results and recent progress in the resummation of leading and nonleading enhancements in QCD cross sections and of poles in dimensionally-regularized hard-scattering amplitudes.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research