Learning About Nucleosynthesis from Multi-dimensional Simulations of Core-Collapse Supernovae

Conference · Sun Sep 01 00:00:00 EDT 2019

OSTI ID:1564237

Hix, W Raphael  ^[1]; Harris, Austin  ^[1]; Lentz, Eric J. ^[2]; Bruenn, S. W. ^[3]; Messer II, Bronson  ^[1]; Mezzacappa, Anthony ^[1]

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1. ORNL
2. University of Tennessee, Knoxville (UTK)
3. Florida Atlantic University, Boca Raton

For more than two decades, we have understood that the development of a successful core-collapse supernova is inextricably linked to neutrino heating and three dimensional fluid flows, with large scale hydrodynamic instabilities allowing successful explosions that spherical symmetry would prevent. Unfortunately, our understanding of the nucleosynthesis that occurs in these supernovae, and therefore the impact of supernovae on galactic chemical evolution, has generally ignored much that we have learned about the central engine of these supernovae over the past two decades. Now, with two and three dimensional simulations of core-collapse supernovae run to sufficient duration, we are learning how the multi-dimensional, neutrino-driven character of the explosions directly impacts the nucleosynthesis and other observables of core-collapse supernovae. Here we focus on lessons from multi-dimensional models which implement realistic nuclear reaction networks.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Science (SC), Nuclear Physics (NP)
• DOE Contract Number: AC05-00OR22725
• OSTI ID: 1564237
• Resource Relation: Conference: 15th International Symposium on Nuclei in the Cosmos (NIC XV) - Assergi, L'Aquila, , Italy - 6/24/2018 8:00:00 AM-6/29/2018 8:00:00 AM
• Country of Publication: United States
• Language: English