General standard

The symmetry of gauge is a principle which applies to the quantum Mécanique of the three fundamental forces not-gravitational (electromagnetic, strong, weak). It corresponds to the invariance of a physical Système under the local action of a Groupe of symmetry called Groupe of gauge. That means that it is possible independently to carry out a transformation given by an element of the group of symmetry into each point of the Espace-temps without affecting the result of the observations.

Electromagnetic symmetry of gauge

Symmetry of gauge applying to the theory of the quantum electrodynamic . It is symmetry governing the interactions between the electron S via the Photon S. It is based on the Groupe $U\; (1)\; \backslash ,$.

Symmetry of gauge of the weak nuclear force

Symmetry of gauge applying to the weak interaction. It is symmetry governing the interaction between the electron S and the Neutrino S for example via the bosons W and Z. It is based on the Groupe $SU\; (2)\; \backslash ,$.

Symmetry of gauge of the strong nuclear force

Symmetry of gauge subjacent with the strong interaction. It is symmetry governing the interactions between the Quark S via the Gluon S. It is based on the Groupe $SU\; (3)\; \backslash ,$.

See too

• standard Model

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