ON PERTURBATIVE QCD OF HARD AND SOFT PROCESSES

2009/11/06 by A. Efremov, А. В. Ефремов, Anatoly Radyushkin +1 · 4 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1142/s0217732309001029

published as Mod.Phys.Lett.A24:2803-2824,2009 · Reproduction of unpublished JINR Report E2-80-521, Dubna 1980. 22 pages 9 figures. To be published in Modern Physics Letters A. Style file is included

arxiv created 2009/11/06 · openalex publication_date 2009/12/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We discuss some problems concerning the application of perturbative QCD to high energy processes. In particular for hard processes, we analyze higher order and higher twist corrections. It is argued that these effects are of great importance for understanding the behaviour of pion electromagnetic form factor at moderately large momentum transfers. For soft processes, we show that summing the contributions of the lowest twist operators leads to a Regge-like amplitude.

Citations

• Quasi-optical approach in quantum field theory
• Deep Elastic Processes of Composite Particles in Field Theory and Asymptotic Freedom

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