Strong interaction

__NOTOC__

Details

Quantum chromodynamics, a part of the standard model of particle physics, is a typical non-Abelian gauge theory based on a local (gauge) symmetry group called SU(3). All the particles in this theory interact with each other, through the strong force. The strength of the interaction is parametrized by the strong coupling constant. This strength is, as usual, modified by the gauge colour charge of the particle. This really refers to a group theoretical property whose meaning is explained in the article on colour charge. Quarks and gluons are the only fundamental particles which carry non-vanishing colour charge, and hence participate in the strong interactions.

Related Topics:
Quantum chromodynamics - Standard model - Gauge theory - Symmetry group - SU(3) - Coupling constant - Colour charge - Colour charge

~ ~ ~ ~ ~ ~ ~ ~ ~ ~