Gamma-ray production from the decay of pi zero 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.
Colpi, M., Maraschi, L., Treves, A. (1986). Gamma-ray emission from accretion onto a rotating black hole. THE ASTROPHYSICAL JOURNAL, 311, 150-155 [10.1086/164760].
Gamma-ray emission from accretion onto a rotating black hole
COLPI, MONICA;
1986
Abstract
Gamma-ray production from the decay of pi zero 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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