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Nucleosynthesis in AGB Stars
Published online by Cambridge University Press: 15 December 2006
Abstract
I review some of the main nucleosynthesis processes in Asymptotic Giant Branch (AGB) Stars. These include production of $^{12}$C, $^{19}$F, $^{22}$Ne and $s$-elements in the He-rich layers above the degenerate C-O core, and modifications in the abundances of intermediate-mass elements up to Mg-Al, due to proton captures above the H-burning shell. Emphasis is put on the uncertainties still affecting the yields (especially mixing processes and mass loss rates) and on the possible role of planetary nebulae as a source of information on the evolution and nucleosynthesis of the AGB progenitors
Keywords
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 2 , Symposium S234: Planetary Nebulae in our Galaxy and Beyond , April 2006 , pp. 91 - 98
- Copyright
- © 2006 International Astronomical Union