The propagation of extra-relativistic cosmic ray electron in the interstellar medium

Astronomy and Astrophysics – Astronomy

Scientific paper

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Cosmic Rays, High Energy Electrons, Interstellar Matter, Magnetohydrodynamic Waves, Relativistic Particles, Resonance Scattering, Compton Effect, Electron Scattering, Energy Spectra, Gamma Rays, High Energy Interactions, Sas, Spaceborne Astronomy, Supernovae

Scientific paper

An analytical investigation of the propagation of cosmic ray electrons with energies exceeding 10 TeV is reported. Resonant scattering by interstellar hydromagnetic waves is shown to be a significant factor, limiting the reception of cosmic ray electrons from supernovae sources to this day to those closer than 1 kpc. It is suggested that the high energy gamma ray source characterized by data from the SAS-2 spacecraft can be produced by inverse Compton effect, i.e., the interaction of the electrons with interstellar radiation fields. The characteristics of the gamma ray source are noted to be in good agreement with the Gaussian half-width derived in the analysis.

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