Перегляд за автором "Olejnik, S.N."

Результати 1-9 з 9

Cross-sections for photonuclear reactions ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb in the end-point bremsstrahlung energies 36…91 MeV

Vodin, A.N.; Deiev, O.S.; Timchenko, I.S.; Olejnik, S.N.; Kachan, A.S.; Korda, L.P.; Kuplennikov, E.L.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A.; Pilipenko, N.N.; Trubnikov, V.S. (Вопросы атомной науки и техники, 2020)

The flux-weighted averaged over the energy range of bremsstrahlung spectrum from reaction threshold up to the maximum energy of γ-ray cross-sections <σ (E)> of the ⁹³Nb(γ,n)⁹²ᵐNb and ⁹³Nb(γ,n)⁹²ᵗNb photonuclear reactions ...
Evaluation of isotope contents of plutonium in reactor emissions by gamma-radiation of ¹⁰⁶Ru, ¹¹¹Ag and ¹²⁵Sb

Bykov, V.T.; Elmansury, A.M.; Olejnik, S.N.; Rudak, E.A.; Tulubtsov, A.Ya.; Vodin, A.N.; Yachnik, O.I. (Вопросы атомной науки и техники, 2005)

It is offered to use nuclides ¹⁰⁶Ru, ¹¹¹Ag and ¹²⁵Sb for evaluation of transuranium elements content in the spent fuel of HPOR-1000 reactor. It is found that ¹²⁵Sb is the most suitable for estimations of emergency reactor ...
Isomer ratios of photonuclear reaction products on silver and indium isotopes for bremsstrahlung energies above 35 MeV

Bezshyyko, O.A.; Dovbnya, A.N.; Golinka-Bezshyyko, L.O.; Kadenko, I.M.; Kulakov, I.S.; Kushnir, V.A.; Mitrochenko, V.V.; Olejnik, S.N.; Tuller, G.E.; Vodin, A.N. (Вопросы атомной науки и техники, 2009)

Isomer ratios were obtained for nuclei 104m,gAg and 110m,gIn-products of reactions 107Ag(γ,3n)104m,gAg and 113In(γ,3n)110m,gIn after bremsstrahlung irradiation with maximum energies 35 and 36 MeV , respectively. ...
Method for energy scale calibration of the scintillation detector at registration of recoil protons

Bozhko, V.P.; Vodin, A.N.; Olejnik, S.N.; Tuller, G.E. (Functional Materials, 2009)

A method of the energy scale calibration of scintillation detectors in the proton energy range 1 to 14 MeV has been developed. The method is based on comparison of maxima of calculated and experimental spectra of recoil ...
Modelling main characteristics of fast neutron detector based on recoil protons with the Monte-Carlo method

Olejnik, S.N.; Bozhko, V.P.; Vodin, A.N. (Вопросы атомной науки и техники, 2002)

The program for calculation of amplitude spectra and fast neutron detector efficiency has been developed with the Monte-Carlo method (MC). The detector operates on the basis of the method of recoil protons and consists of ...
On possibility of separation of ²³⁹Pu and ²⁴⁰Pu contributions in emergency plutonium fallout of Chernobyl accident origin

Vodin, A.N.; Olejnik, S.N.; Rudak, E.A.; Ushakov, I.V.; Yachnik, O.I. (Вопросы атомной науки и техники, 2009)

The experiment-calculated method for separation of total α-activities of plutonium isotopes A(²³⁹Pu+²⁴⁰Pu) on partial activities A(²³⁹Pu) and A(²⁴⁰Pu) in emergency fallout of Chernobyl accident origin is developed.
On the multipurpose use of a portable neutron source

Kuplennikov, E.L.; Vodin, A.N.; Deiev, O.S.; Kandybei, S.S.; Olejnik, S.N.; Stoyanov, A.F.; Timchenko, I.S.; Trubnikov, V.S.; Tsymbal, V.A. (Вопросы атомной науки и техники, 2020)

The possibility of creating a multipurpose complex for generating a reference field of thermal neutrons based on a portable neutron source (PNS) is considered. It has been shown that our method can be used to detect fissile ...
Restoring of fast neutron energetic spectra on the basis of amplitude distribution of signals measured by single crystal neutron spectrometer

Olejnik, S.N.; Shlyakhov, N.A.; Bozhko, V.P. (Вопросы атомной науки и техники, 2000)

The technique of restoring fast neutron spectra on the basis of amplitude spectra registered by a scintillation detector has been developed. The typical instability of restoring, that is boundary ejection and periodic ...
Yields and spectra of products from (d+T) and (d+D)-reactions on TiT and TiD-targets

Andrukhovich, S.K.; Bozhko, V.P.; Olejnik, S.N.; Rudak, E.A.; Vodin, A.N.; Yachnik, O.I. (Вопросы атомной науки и техники, 2007)

Energy spectra and yields of fast neutrons and accompanying charged particles are calculated in a range of angles 0-180° by an analytical method for the neutron-generating solid-state TiT and TiD-targets irradiated by ...

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Перегляд за автором "Olejnik, S.N."

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