Effect of multiple Compton scatterings on an X-ray emission spectrum - Calculations by the Monte Carlo method

Details Effect of multiple Compton scatterings on an X-ray emission spectrum - Calculations by the Monte Carlo method Effect of multiple Compton scatterings on an X-ray emission spectrum - Calculations by the Monte Carlo method

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sva....21..708p&link_type=abstract

(Astronomicheskii Zhurnal, vol. 54, Nov.-Dec. 1977, p. 1246-1258.) Soviet Astronomy, vol. 21, Nov.-Dec. 1977, p. 708-714. Trans

Astronomy and Astrophysics

Astronomy

65

Compton Effect, Cosmic Plasma, Monte Carlo Method, X Ray Sources, X Ray Spectra, Astronomical Models, Emission Spectra, Gamma Rays, X Ray Scattering

Scientific paper

The Compton interaction between radiation and a rarefied high-temperature plasma is investigated. Consideration is given to a spherical cloud of relativistic plasma with a given scattering optical depth and a given Maxwellian electron temperature, at the center of which is located a source of LF radiation with a Planckian spectrum and a specified temperature. Monte Carlo calculations and analytical estimates are presented which indicate that at a cloud optical depth of less than unity, the radiation escaping from the cloud has a power-law spectrum with an index that is a function of the scattering optical depth. The radiation spectrum is found to approach the Wien spectrum in the case of a large optical depth. The energy-loss rate of the cloud is calculated and shown to be a function of scattering optical depth, dimensionless electron temperature, and the luminosity of the LF radiation source. The transmission of hard X radiation from a central source through a surrounding plasma cloud with an electron temperature of approximately 3 keV is examined.

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