Correlativity of nucleosynthesis in low-mass AGB stars.

Details Correlativity of nucleosynthesis in low-mass AGB stars. Correlativity of nucleosynthesis in low-mass AGB stars.

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996sccha..39.1112l&link_type=abstract

Science in China, Series A, Vol. 39, No. 10, p. 1112 - 1120

Computer Science

Nucleosynthesis: Agb Stars, Nucleosynthesis: Low-Mass Stars

Scientific paper

In a self-consistent treatment, an LM-AGB TP model of H-He-burning and no-branch reaction passway for s-process from Fe-Bi with correlative reaction network from C-Ne is used to reproduce the enrichment of F, C and heavy elements in the surface of MS and S stars (with Tc). The growing of the core mass and the mass loss through stellar winds are also considered. Comparisons between the computed correlation {[F/O], C/O}; {[F/O], (s/Ti)} and that of the observations are presented. It appears that fluorine and heavy elements cam be synthesized where the nucleosynthesis events occur in a fit temperature range, and then are dredged up to the surface of the star. Because F production only occurs in a narrow temperature range, the synthesis events are sensitive to temperature. The observation of this case is discussed specially.

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