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Scattering of radiation by free electrons. The angle-averaged redistribution function

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Abstract

Elementary events of photon scattering by a chaotically moving monoenergetic electron gas are examined to obtain the redistribution function (RF). It is pointed out that in many problems and, in particular, the interaction of background radiation with the intergalactic plasmas of rich galactic clusters, it is sufficient to have the angle-averaged RF. Expressions are obtained for the averaged RF and its asymptotes which describe the redistribution function for low frequency radiation. The question of determining the frequencydependent absorption coefficient is discussed.

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Authors and Affiliations

  1. V. A. Ambartsumyan Byurakan Astrophysical Observatory, Armenia

    H. A. Harutyunian

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  1. H. A. Harutyunian
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Translated from Astrofizika, Vol. 49, No. 3, pp. 475–485 (August 2006).

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Harutyunian, H.A. Scattering of radiation by free electrons. The angle-averaged redistribution function. Astrophysics 49, 405–414 (2006). https://doi.org/10.1007/s10511-006-0040-0

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  • DOI: https://doi.org/10.1007/s10511-006-0040-0

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