Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..675g&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Sept. 1985, p. 675-685) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Sept.-O
Astronomy and Astrophysics
Astronomy
6
Galactic Cosmic Rays, Gamma Ray Astronomy, Molecular Clouds, Neutral Gases, Particle Acceleration, Antiprotons, Charged Particles, Electromagnetic Acceleration, Energy Spectra, Positrons, Secondary Cosmic Rays, Turbulent Flow
Scientific paper
The mechanism of generation of fluctuating electromagnetic fields affected by neutral gas turbulence of giant molecular clouds is investigated. It is shown that the generated chaotic electromagnetic fields accelerate charged particles in the clouds. The estimates of γ-ray fluxes from molecular clouds confirm the suggestion that some of the unidentified gamma sources might be molecular clouds. A qualitative explanation is proposed of unusually high intensities of antiprotons and other light secondary nuclei is cosmic rays as well as of the observed hard component of the positron spectrum for energies ≥10 GeV.
Dogel' V. A.
Gurevich Aleksander V.
Istomin Ya N.
Sybin K. P.
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