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Information × Registration Number 0217U001724, 0116U007070 , R & D reports Title Electromagnetic processes in the intensive external fields and under interaction of the charged particles of large energy with crystalline and amorphous substances popup.stage_title Head Shul'ga Nikolai, Доктор фізико-математичних наук Registration Date 13-04-2017 Organization National Science Center "Kharkiv Institute of Physics and Technology popup.description2 The dependence of the deviation efficiency of the high energy charged particles by the bent crystal on the crystal bending radius is investigated for the case of axial crystal orientation. It is shown that this dependence deviates from the linear one. The theory of ionization energy losses of an ultrarelativistic electron-positron pair in a thin layer of matter through which the pair passes after a departure from an ultrathin target in which she was born is developed, taking into account not parallelism of velocities of pair particles. It is shown that the accounting of not parallelism of particles velocities leads to some suppression of the Chudakov effect. On the basis of the kinetic equation method an evolution theory of the energy distribution of high energy electrons in Compton and undulator sources of high energy photons is developed. It is shown that the expansion of the electron spectrum with the increase of the number of the radiated photons leads to restrictions on coherent properties of the radiation in free electrons lasers. Product Description popup.authors Єсаулов Олександр Сергійович Бойко Вадим Віталійович Бондаренко Микола Вікторович Буляк Євген Вікторович Ганн Ганна Василівна Кірдін Артур Іванович Кириллін Ігор Володимирович Лапко Василь Петрович Польшин Семен Олександрович Слюсаренко Олексій Юрійович Степановський Юрій Петрович Трофименко Сергій Валерійович Трутень Валентин Іванович Фомін Олексій Сергійович Фомін Сергій Петрович Шульга Микола Федорович popup.nrat_date 2020-04-02 Close