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Light Element Evolution in the Galactic Halo

1999/01/21 by Andreu Alibes, Andreu Alibés, Alibes, Andreu +3
Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astronomy and Astrophysical Research #Astrophysics (astro-ph) #FOS: Physical sciences #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/9901291

latex 6 pages, 7 figures (Modified text content and figures). To appear in the Proceedings of the "Workshop on LiBeB, Cosmic Rays and Gamma-Ray Line Astronomy" (PASP)

openalex publication_date 1999/01/21 · arxiv created 1999/02/24 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Using a time-dependent Galactic Cosmic Ray flux proportional to the halo Star Formation Rate and including astration and neutrino-induced nucleosynthesis, we have studied the evolution of lithium, beryllium and boron in the halo. Our results set limits to the production of LiBeB by the neutrino-induced nucleosynthesis in massive stars, in order to reproduce the observed constancy of Be/Fe and B/Fe ratios, the lithium plateau and the isotopic ratios evolution.

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