Abstract
The knee of the cosmic:ray energy spectrum occurs at an energy slightly below 101 6 eV. At a similar energy significant changes are found in cosmic ray shower development and anisotropy. It is suggested that these changes can be understood if there is a general proton dominated cosmic ray flux along our spiral arm from outer galactic regions, which is exceeded by an iron dominated flux from the opposite spiral arm direction at energies between ~ 1014 and ~ 101 7 eV.
Subject
General Physics and Astronomy
Cited by
3 articles.
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1. Transport in Astrophysics: I. Diffusion of Solar and Galactic Cosmic Rays;International Journal of Astronomy and Astrophysics;2022
2. Primary Cosmic Radiation and Astrophysical Aspects;Exentsive Air Showers and High Energy Phenomena;2009-11-06
3. Cosmic Ray Anisotropy below 1015 eV;Australian Journal of Physics;1989