Can distributed acceleration explain the cosmic-ray N-15 abundance?

Details Can distributed acceleration explain the cosmic-ray N-15 abundance? Can distributed acceleration explain the cosmic-ray N-15 abundance?

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317l..69l&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 317, June 15, 1987, p. L69-L72.

Astronomy and Astrophysics

Astrophysics

3

Abundance, Nitrogen 15, Particle Acceleration, Secondary Cosmic Rays, Energy Distribution, Oxygen, Shock Wave Propagation

Scientific paper

The author presents a generalized solution to the equation of distributed acceleration proposed by Wandel et al. in 1987 which includes arbitrary energy dependence of fragmentation cross sections. Using reacceleration parameters compatible with the cosmic-ray B/C ratio, it is found that the 15N/O ratio is greater than in the standard model and is in agreement with observation. Consequently 15N can be regarded as a pure secondary nuclide within the distributed acceleration model and a source abundance in excess of general abundances is not required.

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