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

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

doi:10.1007/978-3-030-13876-9_56

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

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

Physics and Astronomy (Twin Cities)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

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.

Original language	English (US)
Title of host publication	Nuclei in the Cosmos XV
Editors	Alba Formicola, Matthias Junker, Lucio Gialanella, Gianluca Imbriani
Publisher	Springer Science and Business Media, LLC
Pages	321-325
Number of pages	5
ISBN (Print)	9783030138752
DOIs	https://doi.org/10.1007/978-3-030-13876-9_56
State	Published - 2019
Event	15th International Symposium on Nuclei in the Cosmos, NIC 2018 - L'Aquila, Italy Duration: Jun 24 2018 → Jun 29 2018

Publication series

Name	Springer Proceedings in Physics
Volume	219
ISSN (Print)	0930-8989
ISSN (Electronic)	1867-4941

Conference

Conference	15th International Symposium on Nuclei in the Cosmos, NIC 2018
Country/Territory	Italy
City	L'Aquila
Period	6/24/18 → 6/29/18

Bibliographical note

Publisher Copyright:
© 2019, Springer Nature Switzerland AG.

Publisher link

10.1007/978-3-030-13876-9_56

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Cite this

Clarkson, O., Herwig, F., Andrassy, R., Woodward, P., Pignatari, M., & Mao, H. (2019). H-He Shell Interactions and Nucleosynthesis in Massive Population III Stars. In A. Formicola, M. Junker, L. Gialanella, & G. Imbriani (Eds.), Nuclei in the Cosmos XV (pp. 321-325). (Springer Proceedings in Physics; Vol. 219). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-030-13876-9_56

H-He Shell Interactions and Nucleosynthesis in Massive Population III Stars. / Clarkson, Ondrea; Herwig, Falk; Andrassy, Robert et al.
Nuclei in the Cosmos XV. ed. / Alba Formicola; Matthias Junker; Lucio Gialanella; Gianluca Imbriani. Springer Science and Business Media, LLC, 2019. p. 321-325 (Springer Proceedings in Physics; Vol. 219).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Clarkson, O, Herwig, F, Andrassy, R, Woodward, P, Pignatari, M & Mao, H 2019, H-He Shell Interactions and Nucleosynthesis in Massive Population III Stars. in A Formicola, M Junker, L Gialanella & G Imbriani (eds), Nuclei in the Cosmos XV. Springer Proceedings in Physics, vol. 219, Springer Science and Business Media, LLC, pp. 321-325, 15th International Symposium on Nuclei in the Cosmos, NIC 2018, L'Aquila, Italy, 6/24/18. https://doi.org/10.1007/978-3-030-13876-9_56

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