H-He Shell Interactions and Nucleosynthesis in Massive Population III Stars

Clarkson, Ondrea; Herwig, Falk; Andrassy, Robert; Woodward, Paul; Pignatari, Marco; Mao, Huaqing

Abstract

© 2019, Springer Nature Switzerland AG. We report on our ongoing investigation into the nucleosynthetic and hydrodynamic nature of mixing at the interface between the H- and He-convection zones in massive Pop III stars. Studying recent a grid of 26 1D stellar evolution simulations with different mixing assumptions, we find that H-He interactions occur in 23/26 cases. We demonstrate the nucleosynthesis expected in a H-He interaction in an 80M. Finally, we describe our progress in simulating a Pop III double convection zone in the PPM-Star hydrodynamics code.

Citation

Clarkson, O., Herwig, F., Andrassy, R., Woodward, P., Pignatari, M., & Mao, H. H-He Shell Interactions and Nucleosynthesis in Massive Population III Stars. Presented at Nuclei in the Cosmos XV, Assergi, Italy

• Presentation Conference Type: Conference Paper (published)
• Conference Name: Nuclei in the Cosmos XV
• Online Publication Date: Aug 20, 2019
• Deposit Date: Nov 21, 2019
• Journal: Springer Proceedings in Physics
• Print ISSN: 0930-8989
• Publisher: Springer Verlag
• Peer Reviewed: Peer Reviewed
• Volume: 219
• Pages: 321-325
• DOI: https://doi.org/10.1007/978-3-030-13876-9_56
• Public URL: https://hull-repository.worktribe.com/output/2720606