Progress in Parton Distribution Functions
W. James Stirling
TL;DR
This paper reviews recent advances in determining parton distribution functions (pdfs), emphasizing their importance for LHC predictions, current challenges, and how LHC data can improve pdf accuracy.
Contribution
It provides a comprehensive overview of recent progress in global pdf analyses and discusses new insights from LHC data on pdfs.
Findings
Improved precision in LHC cross section predictions.
Identification of key outstanding issues in pdf determination.
Potential for LHC data to refine pdfs.
Abstract
Parton distribution functions (pdfs) are an important ingredient for LHC phenomenology. Recent progress in determining pdfs from global analyses is reviewed, and some of the most important outstanding issues are highlighted. Particular attention is paid to the precision with which predictions for LHC `standard-candle' cross sections can be made, and also to new information that LHC can provide on pdfs.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research