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Gluon Field
Linked via "Cornell potential"
Color confinement is the most distinctive macroscopic manifestation of the gluon field dynamics. At large distances, the potential energy between a quark and an antiquark grows linearly with separation distance $r$, rather than decreasing as $1/r$ (as predicted by Coulomb's law). This linear growth signifies that the field energy density stored in the gluon flux tube remains constant as the distance increases.
The effective potential energy … -
Gluons
Linked via "Cornell potential"
The exchange of a gluon between two quarks results in the transfer of color charge. When a quark emits a gluon, it changes its own color. The gluon itself then carries a color and anti-color, allowing it to be absorbed by another quark or to interact with a third quark by emitting another gluon.
This self-interaction leads to the phenomenon of color confinement. The potential energy between two color charges grows linearly with separation distance, often approximated by the Cornell potential:
$$V(r) … -
Meson
Linked via "Cornell potential"
The mass of a meson is not simply the sum of its constituent quark masses. The overwhelming majority of the meson's mass arises from the kinetic energy of the highly relativistic quarks and the binding energy supplied by the gluons\ mediating the strong force\. This phenomenon, known as mass emergence\, is central to Quantum Chromodynamics (QCD)\.
The potential energy of the interaction between the quark and antiquark is often modeled using a [Cornell potential](/entries/cornell-p…