Demonstrate that an explicit Dirac mass term in the electroweak Lagrangian of the form \(m \bar{\psi} \psi\) as in Eq. (16.10) would violate gauge symmetry. Show that a mass introduced by breaking the gauge symmetry spontaneously using Eq. (19.13) with \(\mu^{2}

Data from Eq. 19.13

Data from Eq. 19.20

Data from Eq. 16.10

= Lis-Ge[(L) + (LO)R],