Standard model

• Is the Fine-Structure Constant a Standard Model Parameter?
  The fine-structure constant is related to the Standard Model’s electroweak gauge couplings, but its value depends on energy because the coupling runs.
• How to Draw a Standard Model Particle Chart in LaTeX
  Use TikZ to draw a compact Standard Model particle chart in LaTeX, grouping quarks and leptons by generation and separating gauge and Higgs bosons.