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Entanglement as a Probe of Hadronization
Jaydeep Datta1, Abhay Deshpande1,2, Dmitri E Kharzeev3,4
1Stony Brook University, Center for Nuclear Frontiers in Nuclear Science, Department of Physics and Astronomy, Stony Brook, New York 11794-3800, USA.
Physical Review Letters
|April 7, 2025
Summary
Maximal entanglement in proton structure links parton distributions to hadron entropy. This quantum entanglement framework is now applied to jet fragmentation, showing good agreement with Large Hadron Collider data.
Area of Science:
- High-energy physics
- Quantum chromodynamics (QCD)
- Quantum information science
Background:
- Proton structure at high energies exhibits maximal entanglement.
- This entanglement establishes a link between parton distributions and hadron entropy in inelastic interactions.
- This link has been experimentally verified.
Purpose of the Study:
- Extend the maximal entanglement approach to jet production.
- Investigate the relationship between jet fragmentation functions and hadron entropy.
- Apply a quantum entanglement framework to study hadronization.
Main Methods:
- Theoretical extension of the maximal entanglement approach to jet fragmentation.
- Experimental testing using ATLAS Collaboration data from the Large Hadron Collider.
- Analysis of jet production and hadronization processes.
Main Results:
- Maximal entanglement predicts a relationship between jet fragmentation functions and hadron entropy.
- Experimental data from the Large Hadron Collider show good agreement with this prediction.
- The study validates the application of quantum entanglement in hadronization.
Conclusions:
- The quantum entanglement framework successfully describes jet fragmentation.
- This work provides novel insights into the transition from perturbative to nonperturbative QCD.
- The findings open new avenues for understanding the quantum nature of hadronization.
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