Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..79..321a&link_type=abstract
Astrophysics and Space Science, vol. 79, no. 2, Oct. 1981, p. 321-336.
Astronomy and Astrophysics
Astronomy
49
Compton Effect, Particle Interactions, Photon Beams, Relativistic Electron Beams, X Ray Sources, Electron Energy, Electron Scattering, Energy Dissipation, Gamma Ray Astronomy, Radiation Spectra, Scattering Cross Sections
Scientific paper
Single Compton scattering is considered, and spectra of the angular distribution and polarization of scattered photons in a general case are obtained. Inverse Compton Scattering (ICS) for arbitrary electron and photon energies is investigated in detail. For the case of isotropically distributed initial photons and relativistic electrons, a strong rise of the scattered spectrum occurs near the upper edge, starting from the values where the characteristic parameter b is identically equal to 4 photon energies greater than approximately 10 (in units of mc-squared = 1). Relativistic electrons of energies greater than 100 MeV, when scattering on X-rays with photons of about 10 keV, are shown to transmit the dominant part of their energy to the photons which fall after scattering into the energy range of the electrons. The radiation spectrum of ICS and the energy losses of relativistic electrons are calculated. It is shown that the total electron energy loss rate exhibits a different dependence on the photon energy, depending on the value of parameter alpha.
Aharonian Felix A.
Atoyan Armen M.
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