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Information × Registration Number 0217U006955, 0116U004398 , R & D reports Title Scattering and radiation of high-energy charged particles in thin layers of crystalline and amorphous substance popup.stage_title Head Shul'ga Nikolai Fedorovich, Registration Date 28-12-2017 Organization National Science Center "Kharkiv Institute of Physics and Technology popup.description2 It is shown that scattering of high-energy charged particles on atomic strings leads both to dechanneling and to appearance of the peak in radiation spectrum, associated with such scattering. The radiation spectral density evolution at the decrease of the angle between the particle momentum and the crystalline axis is studied and the frequency of radiation peak corresponding to scattering on separate atomic strings in the case of planar channeling is calculated. The possibility of experimental observation of coherent radiation suppression effect at the motion of charged particles from GeV energy region in thin crystals is investigated. To this end, the radiation at particles motion in channeling and over-barrier modes in the field of the continuous potential of crystalline planes (110) of a thin silicon crystal is considered. The study is performed under conditions at which the crystal thickness is less than the radiation formation length and the particle, while moving in the crystalline field, performs not more than several vibrations. The dependences of the bunch average radiation spectral intensity on the crystal thickness, incidence angle and particles energy are obtained. Product Description popup.authors Бондаренко Микола Вікторович Кириллін Ігор Володимирович Трофименко Сергій Валерійович Трутень Валентин Іванович Фомін Сергій Петрович Шульга Сергій Миколайович popup.nrat_date 2020-04-02 Close