PUSHing core-collapse supernovae to explosions in spherical symmetry V: Equation of state dependency of explosion properties, nucleosynthesis yields, and compact remnants

Abstract

In this fifth paper of the series, we use the parametrized, spherically symmetric explosion method PUSH to investigate the impact of eight different nuclear equations of state (EOS). We present and discuss the explosion properties and the detailed nucleosynthesis yields, and predict the remnant (neutron star or black hole) for all our simulations. For this, we perform two sets of simulations. One, a complete study of non-rotating stars from 11 to 40 M${}_{\odot }$ at three different metallicities using the SFHo EOS. And two, a suite of simulations for four progenitors (16 M${}_{\odot }$ at three metallicities and 25 M${}_{\odot }$ at solar metallicity) for eight different nuclear EOS. We compare our predicted explosion energies and yields to observed supernovae and to the metal-poor star HD~84937. We find EOS-dependent differences in the explosion properties and the nucleosynthesis yields. However, when comparing to observations, these differences are not large enough to rule out any EOS considered in this work.

arXiv comment20 pages, 15 figures, 4 tables, accepted to ApJ

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