descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Article , Preprint , Other literature type 01 Sep 2001Embargo end date: 01 Jan 2001 English Publisher:World Scientific Pub Co Pte Ltd

Authors: Francesca Matteucci; Francesca D'Antona; Paolo Ventura; Donatella Romano;

doi: 10.1142/9789812810830_0024 , 10.48550/arxiv.astro-ph/0101263

arXiv: http://arxiv.org/abs/astro-ph/0101263

EVOLUTION OF LITHIUM IN THE MILKY WAY

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Abstract

We adopt up-to-date 7Li yields from asymptotic giant branch stars in order to study the temporal evolution of this element in the solar neighbourhood. Several lithium stellar sources are considered besides the AGBs: Type II supernovae, novae, low-mass giants. Galactic cosmic ray nucleosynthesis is taken into account as well. We conclude that AGB stars do not substantially contribute to 7Li enrichment on a Galactic scale. Therefore, a significant 7Li production from novae and low-mass stars is needed to explain the late, steep rise of the 7Li abundance in disk stars and the meteoritic 7Li abundance.

2 pages, latex, 1 figure. To appear in the Proceedings of the Conference "Cosmic Evolution", Paris, November 2000

Related Organizations

University of Trieste
Italy
International School for Advanced Studies
Italy

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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