Physics#Heavy-Ion Physics, Quarkonium Production, Photon Physics🔬 ResearchAnalyzed: Jan 3, 2026 19:00
Azimuthal Asymmetry in Quarkonium Production in Heavy-Ion Collisions
Published:Dec 29, 2025 08:50
•1 min read
•ArXiv
Analysis
This paper explores the production of $J/ψ$ mesons in ultraperipheral heavy-ion collisions at the LHC, focusing on azimuthal asymmetries arising from the polarization of photons involved in the collisions. It's significant because it provides a new way to test the understanding of quarkonium production mechanisms and probe the structure of photons in extreme relativistic conditions. The study uses a combination of theoretical frameworks (NRQCD and TMD photon distributions) to predict observable effects, offering a potential experimental validation of these models.
Key Takeaways
- •Investigates $J/ψ$ production in ultraperipheral heavy-ion collisions.
- •Focuses on azimuthal asymmetries due to photon polarization.
- •Uses NRQCD and TMD photon distributions for theoretical predictions.
- •Predicts observable $\cos(2φ)$ and $\cos(4φ)$ asymmetries.
- •Offers a new test of quarkonium production mechanisms and photon structure.
Reference
“The paper predicts sizable $\cos(2φ)$ and $\cos(4φ)$ azimuthal asymmetries arising from the interference of linearly polarized photon states.”