Quantum Chromodynamics at the Large Hadron Collider
Jesse Liu (for the ALICE, ATLAS, CMS, LHCb Collaborations)
TL;DR
This paper reviews recent experimental advances in Quantum Chromodynamics at the LHC, focusing on precision tests, non-perturbative phenomena, confinement, and cosmic-ray puzzles, highlighting the ongoing quest to understand the strong force.
Contribution
It provides a comprehensive overview of recent QCD results at the LHC, emphasizing experimental progress and unresolved questions in the field.
Findings
Advances in precision tests of QCD at the LHC
Insights into non-perturbative phenomena and confinement
New data on cosmic-ray related QCD puzzles
Abstract
Open questions on the fundamental nature of the strong force endure and the Large Hadron Collider (LHC) is a once-in-a-generation laboratory elucidating its quantum origins. This document summarizes the plenary overview talk titled "QCD Studies at the LHC" presented at the Lepton Photon Symposium 2025. Selected results highlight recent experimental advances in Quantum Chromodynamics (QCD) at the LHC. This reviews the breadth of QCD and its cross-cutting synergies from a particle physics perspective in four themes: terascale precision tests, non-perturbative enigmas, mystery of confinement, and extreme cosmic-ray puzzles.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions