Analytic results for multiloop scattering amplitudes
Johannes M. Henn
TL;DR
This paper discusses recent advances in the analytic calculation of the velocity-dependent cusp anomalous dimension, a key quantity in understanding UV divergences in Wilson loops with cusps, relevant to various physical processes.
Contribution
It provides new analytic results for the multiloop scattering amplitudes related to the cusp anomalous dimension, improving theoretical understanding.
Findings
Analytic expressions for the cusp anomalous dimension at multiloop order
Enhanced understanding of UV divergences in Wilson loops
Progress in calculating scattering amplitudes analytically
Abstract
The velocity-dependent cusp anomalous dimension is by definition the ultraviolet (UV) anomalous dimension of a Wilson loop with a cusp. It appears in many physically interesting processes. In this talk we present recent progress in the analytic calculation of that quantity.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Black Holes and Theoretical Physics · Quantum Chromodynamics and Particle Interactions