Paper published in a book (Scientific congresses and symposiums)Alpha-elements in mildly metal-poor stars
Decauwer, H.; Jehin, Emmanuel; Parmentier, G. et al.
2005 • In Hill, V.; François, P.; Primas, F. (Eds.) From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution
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Abstract :
[en] Accurate relative abundances of light elements (C to Ca) have been obtained in a sample of mildly metal-poor stars (Decauwer et al. 2005). Combined with the results of a previous study (Jehin et al. 1999), we find different slopes in the correlations between the different alpha-elements. These results can be explained by postulating that the stars exhibiting lower than average alpha/Fe form in low mass clouds, unable to sustain the formation of very massive stars.
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