Theoretical Analysis of Polarized Structure Functions
G. Altarelli (CERN, Roma 3), R.D. Ball (Edinburgh), S. Forte (INFN, Turin, Barcelona), G. Ridolfi (INFN Genoa)
TL;DR
This paper reviews the analysis of polarized structure functions using next-to-leading order perturbative QCD, updating polarized parton distributions and strong coupling, and discusses theoretical issues and comparisons with recent literature.
Contribution
It provides an updated analysis of polarized structure functions with recent data, addressing theoretical issues and comparing results with other studies.
Findings
Updated polarized parton distributions and first moments
Refined strong coupling constant estimates
Discussion of theoretical challenges in polarized DIS analysis
Abstract
We review the analysis of polarized structure function data using perturbative QCD at next-to-leading order. We use the most recent experimental data to obtain updated results for polarized parton distributions, first moments and the strong coupling. We also discuss several theoretical issues involved in this analysis and in the interpretation of its results. Finally, we compare our results with other similar analyses in the recent literature.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research