Cosmic rays in the galactic centre

Details Cosmic rays in the galactic centre Cosmic rays in the galactic centre

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aujph..33..115y&link_type=abstract

Australian Journal of Physics, vol. 33, Mar. 1980, p. 115-120.

Astronomy and Astrophysics

Astronomy

Cosmic Rays, Galactic Nuclei, Gamma Ray Astronomy, High Energy Interactions, Interstellar Gas, Molecular Gases, Energetic Particles, Energy Spectra, Gamma Ray Spectra, Line Spectra, Momentum Transfer

Scientific paper

The cosmic ray flux in the galactic center region is predicted from the observed data for high energy gamma rays, gamma-ray lines and massive molecular clouds. The predicted cosmic ray fluxes above 1 GeV and below 100 MeV are two and four orders of magnitude, respectively, larger than the value in the neighborhood of the solar system. The corresponding energy density of cosmic rays is estimated to be 100 eV per cu cm. Such a concentrated stream of cosmic rays could accelerate the dense and massive molecular clouds by transfer of their momentum.

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