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Interpretation of Cosmic Ray Composition: the Pathlength Distribution

Published online by Cambridge University Press:  14 August 2015

R. J. Protheroe  and
J. F. Ormes
R. J. Protheroe
Affiliation:
Laboratory for High Energy Astrophysics NASA/Goddard Space Flight Center, Greenbelt, MD, U.S.A. G.M. Comstock Cosmo-Science Associates, Stony Brook, NY, USA
J. F. Ormes
Affiliation:
Laboratory for High Energy Astrophysics NASA/Goddard Space Flight Center, Greenbelt, MD, U.S.A. G.M. Comstock Cosmo-Science Associates, Stony Brook, NY, USA

Extract

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The chemical composition of cosmic ray nuclei with 3≤Z≤28 between ~100 MeV/nuc and a few hundred GeV/nuc are compared with a consistent set of propagation calculations. These include the effects of spallation (energy-dependent cross sections are used), escape and ionization loss in the interstellar medium and deceleration in the solar cavity. This has enabled a consistent study of the cosmic ray pathlength distribution to be made over this entire energy range. Details of the propagation calculation are left to a forthcoming paper.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 94: Origin of Cosmic Rays , 1981 , pp. 107 - 108
Copyright
Copyright © Reidel 1981 

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