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

Attila Csoto (Eotvos University; Budapest); Garching); Heinz Oberhummer (Vienna University of Technology); Helmut Schlattl (Max-Planck Institute for Astrophysics

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

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arxiv nucl-th/0010052 v1 pith:NZYFC6CE submitted 2000-10-17 nucl-th astro-phhep-ph

Attila Csoto (Eotvos University , Budapest) , Heinz Oberhummer (Vienna University of Technology) , Helmut Schlattl (Max-Planck Institute for Astrophysics , Garching) This is my paper

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keywords carbongiantoxygenprocessstarstriple-alphaabundancebasic

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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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