Abstract.
We investigate possible nuclear chains for carbon production during the main-sequence phase of low-mass, initially metal-free stars with the help of an extended nuclear network. Though unconventional chains dominate during the early phases, only the familiar triple-\(\alpha\) process is effective enough to produce carbon at a mass fraction level of 10-10, which is then triggering operation of the CNO-cycle.
Work supported by the Italian-German DAAD/Vigoni program
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Schlattl, H., Weiss, A., Cassisi, S., Salaris, M. Carbon Nucleosynthesis in Metal-Free Low-Mass Stars. In: Weiss, A., Abel, T.G., Hill, V. (eds) The First Stars. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10719504_18
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DOI: https://doi.org/10.1007/10719504_18
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Publisher Name: Springer, Berlin, Heidelberg
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