Physics:Quantum gluon: Difference between revisions

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{{Short description|Gauge boson of the strong interaction}}
{{Short description|Gauge boson of the strong interaction}}


{{Quantum matter backlink|Particles}}
{{Quantum matter backlink|Particles}}
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{{Author|Harold Foppele}}
{{Author|Harold Foppele}}


{{Sourceattribution|Gluon|1}}
{{Sourceattribution|Physics:Quantum gluon|1}}

Revision as of 20:46, 19 May 2026



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A quantum gluon is the gauge boson of the strong interaction. Gluons couple to color charge and mediate the interactions between quarks in quantum chromodynamics. Because gluons themselves carry color charge, they can interact with one another, giving QCD its distinctive confinement and jet behavior.[1][2][3]

Complex yellow illustration of gluon-mediated color flux between quarks in quantum chromodynamics.

Color field

Gluons are massless spin-1 bosons in the Standard Model. They are associated with the non-Abelian SU(3) color gauge symmetry of quantum chromodynamics. Unlike photons, gluons carry the charge to which they couple, so the strong field has self-interactions.[4]

Confinement and jets

At low energies, color confinement prevents isolated quarks and gluons from appearing as free particles. At high momentum transfer, asymptotic freedom makes perturbative calculations possible. Collider events reveal quarks and gluons indirectly as sprays of hadrons called jets.

Hadron structure

Gluons contribute substantially to the mass, spin structure, and internal dynamics of hadrons. They also dominate high-energy scattering processes and are essential for understanding quark-gluon plasma and early-universe strong-interaction matter.


See also

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References

  1. ↑ Particle Data Group (2022). "Review of Particle Physics". Progress of Theoretical and Experimental Physics 2022 (8): 083C01. doi:10.1093/ptep/ptac097. 
  2. ↑ Gross, David J.; Wilczek, Frank (1973). "Ultraviolet Behavior of Non-Abelian Gauge Theories". Physical Review Letters 30 (26): 1343-1346. doi:10.1103/PhysRevLett.30.1343. 
  3. ↑ Politzer, H. David (1973). "Reliable Perturbative Results for Strong Interactions?". Physical Review Letters 30 (26): 1346-1349. doi:10.1103/PhysRevLett.30.1346. 
  4. ↑ Peskin, Michael E.; Schroeder, Daniel V. (1995). An Introduction to Quantum Field Theory. Addison-Wesley. ISBN 978-0-201-50397-5. 


Author: Harold Foppele


Source attribution: Physics:Quantum gluon

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