Персона: Кирсанов, Михаил Алексеевич
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Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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Кирсанов
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Михаил Алексеевич
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- ПубликацияТолько метаданныеInvestigation of Neutron Generation upon Irradiation of Deuterated Crystalline Structures with an Electron Beam(2021) Dalkarov, O. D.; Negodaev, M. A.; Rusetskii, A. S.; Kubankin, A. S.; Kirsanov, M. A.; Кирсанов, Михаил Алексеевич© 2021, Pleiades Publishing, Ltd.Abstract: The possibility of neutron generation by irradiating deuterated crystalline structures with an electron beam with an energy of 20–40 keV was studied. As targets, the deuterated crystalline structures of palladium and textured CVD diamond were used. Measurements of neutron emission are presented, which were carried out by three independent methods—scintillation detectors, counters based on He-3, and track detectors CR-39.The average neutron flux during irradiation was estimated as 1–10s-1 in 4π sr.
- ПубликацияТолько метаданныеInvestigation of the interaction of the ion beams with deuterated crystal structures at the HELIS facility(2020) Dalkarov, O. D.; Negodaev, M. A.; Rusetskii, A. S.; Oginov, A. V.; Kirsanov, M. A.; Кирсанов, Михаил АлексеевичThe paper reviews results obtained in the course of low energy nuclear reactions experimental study using the HELIS facility (LPI). The analysis of DD-reaction yields in deuterated crystalline structures at deuteron energies of 10-25 keV has shown a significant amplification effect. It was found that the exposure of deuterated targets both to 10-25 keV H+ and Ne+ ion beams and 20-30 keV X-ray radiation beams results in stimulation of DD-reaction yield. For CVD diamond and PdD x targets, it was shown that the magnitude of the neutron yield is affected by the orientation of the sample with respect to the deuteron beam. The possible explanation of the said effect may be attributed to the channeling of deuterium ions and neutron (DD reaction products) in textured targets. It was found that the heat release is much higher when D+ ion beams act upon the TiD x target than in case with H+ and Ne+ beams. The heat release depends upon the deuterium concentration in the target and the deuteron beam current density. "Additional peaks" were observed in the X-ray fluorescence spectra, but those are not related to any element and are seemingly associated with diffraction processes in deuterated palladium and CVD diamond.
- ПубликацияТолько метаданныеPassage of Fast Neutrons Through the Crystal Structure of Textured CVD Diamond(2020) Dalkarov, O. D.; Glushkov, N. A.; Negodaev, M. A.; Rusetsky, A. S.; Kirsanov, M. A.; Кирсанов, Михаил Алексеевич© 2020, Pleiades Publishing, Ltd.Abstract: The passage of fast neutrons through the crystal structure of a textured diamond obtained by chemical vapor deposition (CVD diamond) is studied. Neutrons with an energy of 2.45 MeV from the DD reaction and with an average energy of about 2 MeV from the 252Cf isotope are used as neutron sources. The neutrons are detected by two independent methods: using proportional counters filled with 3Не and a paraterphenyl-based scintillation detector. The measurements show that the neutron-flux incident on the detector depends on the orientation of the target. In the case of isotropic samples containing diamond and carbon, such effects are not observed. A possible explanation for the effect is the channeling of deuterium ions and neutrons in channels of textured CVD diamond.
- ПубликацияОткрытый доступInvestigation of the interaction of ion beams and X-ray quanta with deuterated crystal structures at the HELIS facility(2019) Dalkarov, O. D.; Negodaev, M. A.; Rusetskii, A. S.; Chepurnov, A. S.; Kirsanov, M. A.; Selivanova, D. A.; Кирсанов, Михаил Алексеевич© Published under licence by IOP Publishing Ltd.The results of studies of the interaction of ion beams and X-ray quanta with deuterated crystal structures at the HELIS facility (LPI) are presented. Results on research of DD-reactions in deuterated crystal structures at deuteron energies 10-25 keV show significant enhancement effect. It is shown that the effect of the beams of ions Ne+ and H+ at energies in the range of 10-25 keV and a beam of X-radiation of 20-30 keV for deuterated target leads to stimulation of DD-reaction. For the target of CVD-diamond it is showed that the orientation of the sample with respect to the deuteron beam affects the neutron yield. Targets (deuterated CVD diamond, palladium, zirconium and titanium) were irradiated with both ion beams and X-ray quanta using an X-ray tube with an energy of up to 30 keV. Analysis of X-ray fluorescence spectra from deuterated targets of CVD diamond and palladium revealed "additional" peaks that are not identified by any of the characteristic radiation lines. Their appearance cannot be connected with any known element, as well as with diffraction processes.