Fermi interaction
= Fermi interaction
{c}
{wiki}
The Fermi interaction is the low-energy four-fermion approximation to the <weak charged current>. Integrating out a <W boson> gives its coefficient $G_F/\sqrt2=g^2/(8M_W^2)$ at tree level.
= Fermi interaction
{c}
{wiki}
The Fermi interaction is the low-energy four-fermion approximation to the <weak charged current>. Integrating out a <W boson> gives its coefficient $G_F/\sqrt2=g^2/(8M_W^2)$ at tree level.