Implications of new measurements of O-16 + P + C-12,13, N-14,15 for the abundances of C, N isotopes at the cosmic ray source

Details Implications of new measurements of O-16 + P + C-12,13, N-14,15 for the abundances of C, N isotopes at the cosmic ray source Implications of new measurements of O-16 + P + C-12,13, N-14,15 for the abundances of C, N isotopes at the cosmic ray source

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....2...80g&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 2 p 80-83 (SEE N85-34006 22-93)

Computer Science

Carbon Isotopes, Cosmic Rays, Galactic Radiation, Nitrogen Isotopes, Oxygen Isotopes, Radiation Sources, Wave Propagation, Abundance, Comparison, Radiation Measurement

Scientific paper

The fragmentation of a 225 MeV/n 16O beam has been investigated at the Bevalac. Preliminary cross sections for mass = 13, 14, 15 fragments are used to constrain the nuclear excitation functions employed in galactic propagation calculations. Comparison to cosmic ray isotopic data at low energies shows that in the cosmic ray source 13C/C ≤ 2% and 14N/O = 3 - 6%. No source abundance of 15N is required with the current experimental results.

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