New posts in Standard Model

Why is Higgs particle detected much later than top quark when it's lighter?

Quark model extension to all six flavors

How (or when) do gluons change the color of a quark?

Why is $\pi^0 \rightarrow \gamma \rightarrow e^-e^+$ forbidden but $\pi^+\rightarrow W^+ \rightarrow e^+ \nu_e$ allowed?

Why are protons heavier than electrons?

To what extent are lepton and quark generations tied in the Standard Model?

Proton spin/flavor wavefunction

What is wrong with a nonrenormalizable theory?

How can we experimentally tell the difference between particles with and without rest mass?

Is the Standard model an effective field theory (EFT)?