Full spectrum of turbulence convective mixing: II. Lithium production in AGB stars

Details Full spectrum of turbulence convective mixing: II. Lithium production in AGB stars Full spectrum of turbulence convective mixing: II. Lithium production in AGB stars

1999-07-19

arxiv.org/abs/astro-ph/9907245v1

Astronomy and Astrophysics

Astrophysics

16 pages, 16 figures

Scientific paper

We present results from new, detailed computations of lithium production by hot bottom burning (HBB) in asymptotic giant branch (AGB) stars of intermediate mass. The dependance of lithium production on stellar mass, metallicity, mass loss rate, convection and overshooting are discussed. In particular, nuclear burning, turbulent mixing and convective overshooting (if any) are self-consistently coupled by a diffusive algorythm, and the Full Spectrum of Turbulence (FST) model of convection is adopted, with test comparisons to Mixing Length Theory (MLT) stellar models.

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