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MONTAGE: AGB nucleosynthesis with full s-process calculations

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arxiv 0906.1623 v1 pith:HM24C6VR submitted 2009-06-09 astro-ph.SR

MONTAGE: AGB nucleosynthesis with full s-process calculations

classification astro-ph.SR
keywords isotopesnucleosynthesiss-processcalculationsmontagenetworkadvantagealgorithm
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present MONTAGE, a post-processing nucleosynthesis code that combines a traditional network for isotopes lighter than calcium with a rapid algorithm for calculating the s-process nucleosynthesis of the heavier isotopes. The separation of those parts of the network where only neutron-capture and beta-decay reactions are significant provides a substantial advantage in computational efficiency. We present the yields for a complete set of s-process isotopes for a 3 Mo, Z = 0.02 stellar model, as a demonstration of the utility of the approach. Future work will include a large grid of models suitable for use in calculations of Galactic chemical evolution.

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