A simple and fast method for computing the relativistic Compton scattering kernel for radiative transfer

The Klein-Nishina differential cross section averaged over a relativistic Maxwellian electron distribution is analytically reduced to a single integral, which can then be rapidly evaluated in a variety of ways. A particularly fast method for numerically computing this single integral is presented. T...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 1986-10, Vol.36 (4), p.273-282
Main Authors: Kershaw, David S., Prasad, Manoj K., Douglas Beason, J.
Format: Article
Language:English
Subjects:
Applied sciences
Astronomy
Earth, ocean, space
Exact sciences and technology
Fundamental aspects of astrophysics
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
Other techniques and industries
Radiative transfer
scattering
Thermodynamics And Statistical Physics
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Summary:The Klein-Nishina differential cross section averaged over a relativistic Maxwellian electron distribution is analytically reduced to a single integral, which can then be rapidly evaluated in a variety of ways. A particularly fast method for numerically computing this single integral is presented. This is, to our knowledge, the first correct computation of the Compton scattering kernel.
ISSN:0022-4073
1879-1352
DOI:10.1016/0022-4073(86)90050-6