Iterating QCD scattering amplitudes in the high-energy limit

2017/12/31 by Vittorio Del Duca
Mathematics · Physics and Astronomy · #Amplitude #Gluon #High energy #High-Energy Particle Collisions Research #Limit (mathematics) #Loop (graph theory) #Mathematical analysis #Mathematics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Scattering #Scattering amplitude #hep-ph #hep-th

paper · pdf · doi:10.1007/jhep02(2018)112

13 pages. Typos corrected. References added/removed. Shortened appendix A, results unchanged

openalex publication_date 2018/02/01 · arxiv created 2018/02/19 · arxiv updated 2018/04/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We analyse the high-energy limit of the gluon-gluon scattering amplitude in QCD, and display an intriguing relation between the finite parts of the one-loop gluon impact factor and the finite parts of the two-loop Regge trajectory.

Citations

• Multiple polylogarithms and mixed Tate motives
• Single-valued periods and multiple zeta values
• Two-loop soft anomalous dimension matrix and resummation at next-to-next-to-leading poles
• Gluon Regge trajectory in the two-loop approximation
• Proof of the multi-Regge form of QCD amplitudes with gluon exchanges in the NLA
• On near forward high energy scattering in QCD
• Testing high-energy factorization beyond the next-to-leading-logarithmic accuracy
• BFKL pomeron in the next-to-leading approximation
• NLO corrections to the BFKL equation in QCD and in supersymmetric gauge theories