📄️19.1 - Reheating Phase---📄️19.2 - Baryogenesis19.2 Baryogenesis {#19.2}📄️19.3 - Hadron Mass Splitting19.3 Hadron Mass Splitting {#19.3}📄️19.4 - Primordial Nucleosynthesis19.4 Primordial Nucleosynthesis {#19.4}