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High Energy Gamma Rays from Accretion Disc

Published online by Cambridge University Press:  14 August 2015

F. Giovannelli ,
S. Karakula  and
W. Tkaczyk
F. Giovannelli
Affiliation:
Istituto di Astrofisica Spaziale/CNR, Frascati, Italy
S. Karakula
Affiliation:
Dept. of Physics, University of Lodz, Poland
W. Tkaczyk
Affiliation:
Dept. of Physics, University of Lodz, Poland

Extract

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In the case of spherical symmetric accretion into a black hole, the matter may be heated up to the temperature KT = 0.1 mpc2 (Kolykhalov and Sunyaev, 1979). In such a hot plasma inelastic collisions of protons may produce Π° which is the gamma quantum source.

In this work we determined γ-rays production spectrum in the comoving plasma reference frame, expected γ-rays spectrum for the case of spherica symmetric accretion of matter into a black hole and the upper limit to the number of black holes in Galaxy is evaluated.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 94: Origin of Cosmic Rays , 1981 , pp. 335 - 336
Copyright
Copyright © Reidel 1981 

References

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