Constraints on the nucleosynthesis of refractory nuclides in galactic cosmic rays

Details Constraints on the nucleosynthesis of refractory nuclides in galactic cosmic rays Constraints on the nucleosynthesis of refractory nuclides in galactic cosmic rays

Nov 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..598..269w&link_type=abstract

SOLAR AND GALACTIC COMPOSITION: A Joint SOHO/ACE Workshop. AIP Conference Proceedings, Volume 598, pp. 269-274 (2001).

Other

6

Cosmic Rays, Solar Neighborhood, Hydrostatic Stellar Nucleosynthesis, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

Abundances of the isotopes of the refractory elements Ca, Fe, Co, and Ni in the galactic cosmic-ray source are compared with corresponding abundances in solar-system matter. For the 12 nuclides considered, relative abundances agree to within a factor of 2, and typically within 20-30%. In addition, comparisons of cosmic-ray abundances with model calculations of supernova yields are used to argue that cosmic rays contain contributions from stars with a broad range of masses. Based on these and other results we suggest that cosmic rays probably represent a sample of contemporary interstellar matter, at least for refractory species. .

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