Higher twist nucleon distribution amplitudes in Wandzura-Wilczek approximation

2013/11/14 by I. V. Anikin, A. N. Manashov · 11 citations
Mathematics · Physics and Astronomy · #Amplitude #Conformal map #Formalism (music) #Geometry #High-Energy Particle Collisions Research #Mathematical analysis #Mathematical physics #Mathematics #Nucleon #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum mechanics #Spinor #Twist #hep-ph

paper · pdf · doi:10.1103/physrevd.89.014011

published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 89(1) (American Physical Society) · 10 pages

arxiv created 2013/11/14 · openalex publication_date 2014/01/09 · arxiv updated 2014/01/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We derive the higher twist (four and five) nucleon distribution amplitudes in the Wandzura-Wilczek approximation. Our method is based on an analysis of the conformal expansion of nonlocal operators in the spinor formalism.

Citations

• Baryon operators of higher twist in QCD and nucleon distribution amplitudes
• Improved light-cone sum rules for the electromagnetic form factors of the nucleon
• Renormalization of twist-four operators in QCD
• Target mass corrections for virtual Compton scattering at twist-2 and generalized, nonforward Wandzura–Wilczek and Callan–Gross relations
• Wandzura–Wilczek approximation for the twist-3 DVCS amplitude