PoS - Proceedings of Science
Volume 301 - 35th International Cosmic Ray Conference (ICRC2017) - Session Cosmic-Ray Direct. CRD- theory
The anisotropic diffusion of high-energy cosmic-ray electrons in the Galaxy
S. Miyake
Full text: pdf
Pre-published on: August 16, 2017
Published on: August 03, 2018
Abstract
Effect of an anisotropic spatial diffusion with respect to the direction of the interstellar magnetic field (ISMF) on the energy spectrum of the high-energy cosmic-ray electrons is numerically investigated. Our calculation is performed by using a fully three-dimensional stochastic method based on the stochastic differential equations equivalent to the Parker transport equation that describes the propagation of the galactic cosmic rays (GCRs). We consider that the GCRs originate from the supernova remnants (SNRs) including known nearby young SNRs. We calculate the energy spectrum of high-energy GCR electrons by considering an anisotropic diffusion in the ISMF. Our results of the energy spectrum of high-energy GCR electrons show that the flux in the TeV regions strongly changes depending on the model of the diffusion coefficient.
DOI: https://doi.org/10.22323/1.301.0267
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