Investigation of the anomalous component of low energy cosmic rays: Experimental results and a numerical model

Details Investigation of the anomalous component of low energy cosmic rays: Experimental results and a numerical model Investigation of the anomalous component of low energy cosmic rays: Experimental results and a numerical model

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7933148k&link_type=abstract

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Mathematics

Energy Spectra, Mathematical Models, Secondary Cosmic Rays, Flux Density, Interstellar Gas, Magnetoacoustic Waves, Neon, Nitrogen Ions, Nucleon Potential, Oxygen Ions

Scientific paper

The origin of this anomalous component was studied from low energy cosmic ray data obtained during the quiet sun (November 1973 to September 1976). The N, O, and Ne fluxes (with energies in excess of 3 MeV/nucleon) that are not correlated with interplanetary activity and whose relative frequencies indicate them to be of neither galactic nor solar origin are observed. It is postulated that this component arises from neutral interstellar gas ionized and accelerated by magnetoacoustic waves. The calculated numerical model shows that a group of four simultaneous parameters are sufficient to reproduce the measured energy spectra, the relative frequencies recorded, and the radial gradients observed (heliosphere magnitude, magnitude and energy dependence of the acceleration coefficient, and the number of ions accelerated).

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