Spin-Dependent Structure Function g₁ at Small x

2004/04/29 by B. I. Ermolaev, M. Greco, Ermolaev, B. I. +3
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/0404267

Talk given at the 17th Workshop in Particle Physics, La Thuile,Italy, Feb.29-Mar. 6, 2004. 13p

arxiv created 2004/04/29 · openalex publication_date 2004/04/29 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Accounting for double-logarithms of x and running QCD coupling leads to expressions for both the non-singlet and singlet components of g₁. These expressions manifest the Regge asymptotics when x ->0 and differ considerably from the DGLAP expressions at small values of x.

Related

• Role of the singular factors in the standard fits for initial parton densities
• Description of the spin structure function g₁ at arbitrary x and arbitrary Q²
• Spin structure function g₁ at small x and arbitrary Q²: Total resummaion of leading logarithms vs Standard Approach
• The Small x Behavior of g₁ in the Resummed Approach
• Total resummation of leading logarithms vs standard description of the Polarized DIS