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Information × Registration Number 0214U000930, 0109U001498 , R & D reports Title Excitation, ionization and fragmentation of complex molecules by electron impact. popup.stage_title Head 3. Shpenik Otto Bartolomeevich, Registration Date 21-10-2014 Organization Institute of Electron Physics, Ukrainian National Academy of Sciences popup.description2 The processes of elastic and inelastic electron scattering of thymine, uracil and cytosine have been investigated by electron spectroscopy and total electron scattering cross sections of these molecules were measured for the first time. Emission spectrum of pyrimidine, thymine, uracil and cytosine have been studied in the range of 200-600 nm by photoelectron spectroscopy as well as the optical excitation functions of some emission bands in the energy range from threshold to 120 eV. The mass spectrum of these molecules have been investigated using mass spectroscopy methods. Besides, threshold energy dependences of the formation of parent ions and fragment ions were obtained for the first time. Product Description popup.authors Ердевді М. М. Завіілопуло А. М. popup.nrat_date 2020-04-02 Close