Gamma-ray emission from accretion onto a rotating black hole

Details Gamma-ray emission from accretion onto a rotating black hole Gamma-ray emission from accretion onto a rotating black hole

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...311..150c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 311, Dec. 1, 1986, p. 150-155.

Astronomy and Astrophysics

Astronomy

12

Black Holes (Astronomy), Galactic Rotation, Gamma Ray Astronomy, Stellar Mass Accretion, Adiabatic Conditions, Luminosity, Particle Production, X Ray Sources

Scientific paper

Gamma-ray production from the decay of pi(0) mesons deriving from proton-proton interactions in a thermal plasma around a rotating black hole is considered. The temperature and density profile of the accreting plasma are calculated for an adiabatic flow in a Kerr metric with detached electron and proton populations and using the geodesic approximation. The computed gamma-ray luminosity turns out to be lower than that obtained by other authors. The relevance of the process for observable gamma-ray sources is discussed.

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