Statistics – Computation
Scientific paper
Aug 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62..760k&link_type=abstract
(Astronomicheskii Zhurnal, vol. 62, July-Aug. 1985, p. 760-767) Soviet Astronomy (ISSN 0038-5301), vol. 29, July-Aug. 1985, p. 4
Statistics
Computation
9
Bremsstrahlung, Directivity, Polarization Characteristics, Solar Flares, Solar X-Rays, X Ray Spectra, Computational Astrophysics, Distribution Functions, Electron Energy, Emission Spectra, Half Spaces, Nonthermal Radiation
Scientific paper
The kinetic equation for fast electrons is solved with allowance for their multiple scattering and energy losses. The resulting distribution function is used to calculate the degree of polarization and the directivity of the bremsstrahlung averaged over the volume of the source. Analytic expressions are given for the polarization and directivity of the nonthermal X-ray emission from a plasma-filled half-space. These expressions are valid for an arbitrary initial angular distribution of the electron beam. It is shown that in the case of power-law spectra the polarization and directivity depend only on the spectral index and the square of the cosine of the angle averaged over the initial angular distribution.
Kelner Stanislav R.
Skrynnikov Y. I.
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