Abstract
Beryllium and boron are widely believed to be produced primarily by cosmic-ray nucleosynthesis. However the observed abundance ratios of B/Be and 11B/10B may indicate that an additional source for boron (presumably 11B) is needed. Neutrino-process nucleosynthesis in supernovae may be such a source. When the 11B yield from the neutrino process is normalized to obtain the correct 11B/10B ratio, one obtains a predictions that B/Be is large (much larger than the nearly model independent prediction of cosmic-ray nucleosynthesis), around 40 for [Fe/H] = −2.6. Large values of B/Be may be supported by recent NLTE analyses of boron observations.
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Olive, K.A. (1995). Implications of the B/Be and 11B/10B Ratios. In: Crane, P. (eds) The Light Element Abundances. ESO Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49169-9_64
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DOI: https://doi.org/10.1007/978-3-540-49169-9_64
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