Big Bang Nucleosynthesis

• Weak interactions and n-p
• Nucleosynthesis
• BBN reaction chain
• Nucleosynthesis 2
• Evolution of elements
• Constraining OmegaB
• Observational Tests
• Measuring helium (from Olive & Skillman 2004)
  
• Measuring deuterium
• Measuring lithium
• Recent summary (from Olive & Skillman 2004)