NASA NTRS · 19820046888
The source abundances of galactic cosmic rays
Abstract
The galactic cosmic ray source abundances have been determined from two complete datasets, one at low and the other at high energy. For both exponential and truncated exponential pathlength distributions (PLD), the two sets of source abundances show significant differences for the primary elements, i.e., the Fe/O ratio. An energy dependent PLD reduces but does not eliminate the discrepancy, and this may indicate an energy dependence in the source composition. New source abundances for Na, P, Cl, Ca, and Mn are derived.
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Dwyer, R. D., Garcia-Munoz, M., Guzik, T. G., Meyer, P., Simpson, J. A., Wefel, J. P.. 1982-01-01. The source abundances of galactic cosmic rays. https://ntrs.nasa.gov/citations/19820046888
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