Abstract
Results of experiments conducted at the Tomsk synchrotron to study resonant X-ray transition radiation generated by relativistic electrons in periodic multifoil radiators are reviewed. Both the internal synchrotron beam and the external secondary electron beam from the pair magnetic γ-spectrometer with energies ranging from 300 to 900 MeV were used in the experiments. The radiators consisted of many thin amorphous foils of various materials. The generation of X-ray radiation in a compound radiator consisting of a multifoil radiator and a crystal is also studied. In this case, the resonant X-ray transition radiation generated in the multifoil radiator is diffracted in the crystal and emitted at Bragg angles, together with the parametric X-ray radiation generated in the crystal. Spectral and angular properties of the resonant X-ray transition radiation and diffracted resonant X-ray transition radiation are investigated. The ratio between the contributions from the diffracted resonant X-ray transition radiation and other types of radiation to the total coherent X-ray radiation flux generated by electrons in periodic structures and crystals is estimated.
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Original Russian Text © V.N. Zabaev, V.V. Kaplin, S.I. Kuznetsov, S.R. Uglov, 2014, published in Fizika Elementarnykh Chastits i Atomnogo Yadra, 2014, Vol. 45, No. 2.
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Zabaev, V.N., Kaplin, V.V., Kuznetsov, S.I. et al. X-ray transition radiation of electrons with energy of 300 to 900 MeV in periodic multifoil radiators. Phys. Part. Nuclei 45, 508–515 (2014). https://doi.org/10.1134/S1063779614020063
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DOI: https://doi.org/10.1134/S1063779614020063