TeV gamma-ray production in accreting black hole systems

Details TeV gamma-ray production in accreting black hole systems TeV gamma-ray production in accreting black hole systems

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...364..198s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 364, Nov. 20, 1990, p. 198-202.

Astronomy and Astrophysics

Astronomy

6

Accretion Disks, Binary Stars, Black Holes (Astronomy), Gamma Ray Astronomy, Astronomical Models, Cosmic Plasma, Magnetic Flux, Particle Acceleration, Stellar Magnetospheres

Scientific paper

Plasma accreting onto a black hole carries with it magnetic flux which is deposited on the black hole horizon. The accumulated flux results in a black hole magnetosphere similar to that found surrounding a magnetic neutron star in an accreting binary system. Potential differences in the magnetosphere can result in acceleration of charged particles in the outer magnetosphere. For sufficiently large voltages, protons accelerated in such regions may produce a flux of gamma-rays from the decay of neutral pions resulting from p-p collisions. Matter from the inner disk region may provide an efficient target for such beam-dump gamma-ray production. Such a mechanism could result in a periodicity associated with the orbital motion of the target material.

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