A common origin of all the species of high-energy cosmic rays?

Details A common origin of all the species of high-energy cosmic rays? A common origin of all the species of high-energy cosmic rays?

1999-01-03

arxiv.org/abs/astro-ph/9901004v2

Astronomy and Astrophysics

Astrophysics

Includes a discussion of the contribution of inverse Compton scattering of CR electrons by starlight in the halo to the gamma

Scientific paper

Cosmic ray nuclei, cosmic ray electrons with energy above a few GeV, and the diffuse gamma-ray background radiation (GBR) above a few MeV, presumed to be extragalactic, could all have their origin or residence in our galaxy and its halo. The mechanism accelerating hadrons and electrons is the same, the electron spectrum is modulated by inverse Compton scattering on starlight and on the microwave background radiation; the $\gamma$-rays are the resulting recoiling photons. The spectral indices of the cosmic-ray electrons and of the GBR, calculated on this simple basis, agree with observations. The angular dependence and the approximate magnitude of the GBR are also explained.

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