Fine-tuning the basic forces of nature through the triple-alpha process in red giant stars

Details Fine-tuning the basic forces of nature through the triple-alpha process in red giant stars Fine-tuning the basic forces of nature through the triple-alpha process in red giant stars

2000-10-17

arxiv.org/abs/nucl-th/0010052v1

Nucl.Phys. A688 (2001) 560-562

Physics

Nuclear Physics

Nuclear Theory

3 pages with 2 figures. Proceedings of the Nuclei in the Cosmos Conference, Aarhus, Denmark, June 27-July 1, 2000. To be publi

Scientific paper

10.1016/S0375-9474(01)00787-4

We show that the synthesis of carbon and oxygen through the triple-alpha process in red giant stars is extremely sensitive to the fine details of the nucleon-nucleon (N-N) interaction. A +/-0.5% change in the strength of the N-N force would reduce either the carbon or oxygen abundance by as much as a factor of 30-1000. This result may be used to constrain some fundamental parameters of the Standard Model.

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