出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：Nuclear physics plays an important role during the collapse of a massive star and the subsequent
Type II or Ib/c supernova. Of particular importance during core collapse and the initial evolution
of the supernova shock are nuclear electron capture and the nuclear equation of state. The nuclear
equation of state (EoS) controls the nature of the bounce which initially forms the supernova shock
while electron capture alters the nuclear and leptonic composition, determining the location where
the shock forms. There is a strong interplay between nuclear electron capture and the nuclear
equation of state, as the rate of electron capture depends on the nuclear composition determined
by the EoS, while the EoS is sensitive to the neutronization set by the weak interactions. We
summarize recent progress in three investigations into the role of Nuclear Physics during core
collapse. We explore the impact weak interactions with heavy nuclei have in supernovae across
the range of supernova progenitors. We demonstrate that these effects are sensitive to variations in
the electron capture rates at the level of their current uncertainty. Finally, we present simulations
showing the impact of changes in the nuclear equation of state on supernova shock formation and
propagation.
