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A lowercase g, the carrier of the strong force.
Also known as: Gluon, Strong force carrier, g boson
The gluon is written g, and unlike the photon it carries the charge it mediates — colour — which means gluons attract each other. That self-interaction is why the strong force does not weaken with distance and why quarks are never seen alone.
Denotes the gluon, the gauge boson of the strong interaction.
Contexts: Laboratory
Carries colour charge itself, unlike the electrically neutral photon, which is why gluons interact with one another.
Contexts: Laboratory
Comes in eight independent colour combinations rather than nine, the ninth being excluded by the SU(3) structure.
Contexts: Laboratory
An italic lowercase letter g, a bowl above a descending hooked tail, drawn in diagrams as a coiled line.