LHC Evidence Of A 126 GeV Higgs Boson From $H \to \gamma \gamma$ With Three And Four Generations

Understand

Searches for Higgs boson at the LHC have excluded standard model (SM) Higgs boson mass in the range between 127 GeV to 600 GeV.

• With a fourth generation, the excluded range is wider.
• To close the windows between 114 GeV to 127 GeV, the mode $H \to \gamma\gamma$ plays an important role.
• There are evidences that the Higgs boson mass is about 126 GeV from LHC data.