Vol 3, No 5

Galactic Chemical Evolution of the Lighter Neutron Capture Elements Sr, Y and Zr

Cui-Hua Du, Bo Zhang, Han-Feng Song, Qiu-He Peng


Abstract Based on a three-component Galaxy chemical evolutionary model satisfying a large set of Galactic and extragalactic constraints, we compute the chemical evolution of the lighter neutron capture elements (e.g., Sr, Y and Zr) taking into account contributions from three processes. We compare our model results with available observational results and find that the observed trends can be understood in the light of present knowledge of neutron capture nucleosynthesis.


Keywords stars: AGB and post-AGB --- Galaxy: halos --- ISM:abundances

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