Impacts of Nuclear-Physics Uncertainty in Stellar Temperatures on the s-Process Nucleosynthesis

Nishimura, N. and Cescutti, G. and Hirschi, R. and Rauscher, T. and Den Hartogh, J. and Murphy, A. S. J.. (2017) Impacts of Nuclear-Physics Uncertainty in Stellar Temperatures on the s-Process Nucleosynthesis. In: Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016), 14. 020903.

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We evaluated the uncertainty relevant to s-process nucleosynthesis using a Monte-Carlo centred approach. We are based on a realistic and general prescription of temperature dependent uncertainty for the reactions. We considered massive stars for the weak s-process and AGB stars for the main s-process. We found that the adopted uncertainty for (n, γ) rates, tens of per cent on average, affect the production of s-process nuclei along the β-stability line, while for β-decay, for whichcontributions from excited states enhances the uncertainty, has the strongest impact on branching points.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Publisher:Japanese Physical Society
Series Name:JPS Conference Proceedings
Note:Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:12 Mar 2018 11:55
Deposited On:12 Mar 2018 10:36

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