The discovery of the Higgs boson was a long process. In this video, Fermilab’s Dr. Don tells us how scientists searched for the Higgs boson over the years, using three major accelerators and culminating finally in the discovery in 2012.
Fermilab physics 101:
https://www.fnal.gov/pub/science/particle-physics-101/index.html
Fermilab home page:
https://fnal.gov