Speaker
Alexander Shchagin
(Kharkov Institute of Physics and Technology)
Description
A.V. Shchagin
Kharkov Institute of Physics and Technology, Kharkov 61108, Ukraine
Belgorod State University, Belgorod 308015, Russia
The parametric X-ray radiation (PXR) is considered as a result of the diffraction in a crystal of virtual photons associated with relativistic charged particle moving through the crystal. Formulas for PXR Fresnel coefficients are obtained in kinematic approach and applicability of the approach is discussed. The development of the kinematic PXR theory version with use of the Fresnel coefficients is shown. Besides, analytical expressions for frequency, spectral peak width, differential by angles yield of the PXR, and its polarization are derived with use of the Fresnel coefficients. It is shown that the obtained expressions are in good agreement with results of kinematic PXR theory by Ter-Mikaelian and results of experimental research of the main properties of the radiation in the PXR reflection. Areas of applicability of the dynamic and kinematic theories f the PXR are discussed.
Author
Alexander Shchagin
(Kharkov Institute of Physics and Technology)
