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7 li abundance - PowerPoint PPT Presentation

Big Bang Nucleosynthesis

Big Bang Nucleosynthesis. (BBN) Eildert Slim. Timeline of the Universe. Baryon Asymmetry. Baryon abundance parameter ? B = (n B - n ?B )/n ? ? B very small: ? 10 = 10 10 ? B Matter-antimatter asymmetry: ? 10 = 10 10 (n B /n ? ) 0 = 274 ? B h 2 ? 10 ? 6. Neutron-Proton Reactions.

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7 li abundance - PowerPoint PPT Presentation

Big Bang Nucleosynthesis