Metal-enriched Pop II pair-instability supernovae develop vigorous explosive convection that boosts energy and 56Ni yields, yielding weaker odd-even patterns and enhanced Zn-Ge relative to Pop III counterparts, while key reaction-rate uncertainties mainly affect odd-Z and Fe-peak yields.
Ivans , Christopher Sneden , C
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Nucleosynthesis of Pop III and Fe-enriched Pop II Pair-Instability Supernovae
Metal-enriched Pop II pair-instability supernovae develop vigorous explosive convection that boosts energy and 56Ni yields, yielding weaker odd-even patterns and enhanced Zn-Ge relative to Pop III counterparts, while key reaction-rate uncertainties mainly affect odd-Z and Fe-peak yields.