Production of Lithium, Beryllium and Boron in Supernova Ejecta

Details Production of Lithium, Beryllium and Boron in Supernova Ejecta Production of Lithium, Beryllium and Boron in Supernova Ejecta

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.7807m&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #78.07; Bulletin of the American Astronomical Society, Vol. 27, p.1396

Astronomy and Astrophysics

Astronomy

Scientific paper

We model the nucleosynthesis of light elements (Li,Be,B) by spallation of C,N,O targets by accelerated H,He in expanding supernova ejecta. Recent observations of metal-poor halo dwarfs indicate that these light element abundance increases linearly with metalicity, i.e. the ratio of these elements to iron is constant. The model of formation of these elements in interstellar medium where spallation takes place by galactic cosmic rays colliding with interstellar matter would not give a linear dependence of spallation products with iron abundance. We investigate the scenario of formation of these elements in expanding supernova where spallation would take place in an unmixed medium of supernova ejecta, which would give the observed linear dependence. Calculations will be presented on energetics of this scenario and abundances and ratios of the isotopes of Li,Be,B.

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