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Information × Registration Number 0217U002160, 0113U000073 , R & D reports Title Interaction of neutrons, tritons and alpha particles with nuclei of deuterium, lithium-6, beryllium in the material popup.stage_title Head Kolomiets Nikolai Fedorovich, Registration Date 24-01-2017 Organization Institute for Nuclear Research of National Academy of Sciences of Ukraine popup.description2 Research report: 124 P., 48 Fig., 11 Table, 73 Source. The object of study – nuclear interaction of neutrons, tritons and alpha particles from deuterium, lithium, beryllium in a substance. Purpose - carrying out of theoretical calculations and experimental studies for validation of the implementation of the interlinked chain of nuclear reactions in matter which contains Li, D, Be. This is done using: thermal neutrons tritons from the reaction 6Li(n,t)4He, fast neutron reactions D(t,n)4He, which is slow for deuterium to interact with 6Li in the first reaction with the formation again of Triton (the Triton can carry out the second reaction and subsequent); the increase in the first reaction results from the interaction of alpha particles which were obtained from the first two reactions with the beryllium according to the reaction 9Be(а,n)12C. The relevance and importance of the work lies in the fact that its results can be used to create a fundamentally new power plants. Research method - theoretical calculations and experimental studies. In the course of the project investigated the possibility of the synthesis of a substance containing lithium, deuterium and beryllium. The theoretical basis of possibility of a reaction of neutrons, tritons and alpha particles with nuclei of deuterium, lithium and beryllium in a substance with the release of large amounts of energy. Preparations for creation of the technical documentation developed by the basic oscillator circuit. Conducted testing of the working chamber, a diagnostic system of the extracted beam of accelerated ions of hydrogen isotopes (protons and deuterons) with energies (3.5 to 4.5) MeV. Also detection of a registration system for experiments with fast neutrons at the tandem-generator EGP-10K of work has been carried out. Training hardware spectrometry of fast neutrons by time-of-flight pulsed beam of the accelerator was done. Comparative analysis of experimental data for cross sections of interaction of neutrons with nuclei 54Fe at energies (from 0.3 to 26) MeV is made. The applicability of the optical-static approach and the method of coupled channels to the description of experimental total cross sections and cross sections for elastic and inelastic neutron scattering are investigated. The results of the adequate description of the totality of the experimental data used for the study in the examined energy range the contribution of the direct mechanism and the mechanism of scattering through a compound nucleus to preggo and inelastic scattering of neutrons by nuclei 54Fe. The energy spectra and the selection criteria model for the calculation of inelastic scattering cross sections of fast neutrons on odd nuclei sample of the isotope of copper were investigated. According to the calculation results fitted with high quality descriptions of the energy spectra due to the accurate calculations of all elements of the energy matrix. The structure of the wave functions allows you to select the model of the nucleus and the method of calculating the cross sections of inelastic scattering of nucleons is odd nuclei more accurately. The dependence of the resonance parameters on mass number studied. It has been found that if the complete set of resonance parameters satisfactorily describes the experimental average cross section for elastic scattering of neutrons, the parameters of this set are consistent with their dependencies on mass number A (is calculated by the optical model). The parameters of all studied nuclei we got meet this condition. Some differences require improved calculations. The research results can be used by scientists and engineers who are engaged in the development of new alternative energy sources. The results of theoretical and experimental research can be the fundamental basis for the creation of a new method to extract nuclear energy with the prospect of a radically new power plants. Scope - Nuclear physics and energy. Product Description popup.authors Веремійченко Георгій Микитович Дряпаченко Ігор Павлович Коваленко Олександр Васильович Корж Іван Олександрович Правдивий Микола Маркович Яковенко Таміла Іванівна popup.nrat_date 2020-04-02 Close