Saturday, May 6, 2017

cosmology - Abundances of the light element of the Big Bang Nucleosynthesis


This question is related to the Big Bang Nucleosynthesis of light elements, more concretely I do not understand some features of the graph


BBabundances





  • Why do the $^3$He and D abundances go down with increasing baryon to photon fraction while the Li abundance goes up?




  • And what is that strange dip in the Li abundance?






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