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Вопросы атомной науки и техники, 2018, № 3
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Перегляд Вопросы атомной науки и техники, 2018, № 3 за датою випуску

Перегляд Вопросы атомной науки и техники, 2018, № 3 за датою випуску

Результати 1-20 з 39

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А novel approach to the synthesis of the electromagnetic field distribution in a chain of coupled resonators

Ayzatsky, M.I. (Вопросы атомной науки и техники, 2018)

A novel approach to the synthesis of the electromagnetic field distribution in a chain of coupled resonators has been developed. This approach is based on the new matrix form of the solutions of the second-order ...
Applications of the Kharkov potential in the theory of nuclear forces and nuclear reactions

Arslanaliev, A.; Kamada, H.; Shebeko, A.; Stepanova, M.; Witala, H.; Yakovlev, S. (Вопросы атомной науки и техники, 2018)

The Kharkov potential is a recent field theoretical model of nucleon-nucleon (NN) interaction that has been built up in the framework of the instant form of relativistic dynamics starting with the total Hamiltonian of ...
Wave propagation in stratified medium: new matrix form of the wave difference equation

Ayzatsky, M.I. (Вопросы атомной науки и техники, 2018)

Results of research of possibility of transformation of a wave difference equation into a system of the first-order difference equations are presented. In contrast to the method used previously, an unknown grid function ...
High-voltage nanosecond pulse generator for magnetron gun triggering

Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2018)

A small-sized nanosecond generator was developed to trigger a magnetron gun. A voltage pulse of amplitude up to 20 kV is applied to anode for gun triggering. Rise and fall fronts of high-voltage pulse are 20 and 70 ns ...
Formation of the electron beamin a secondaryemission magnetron gun its starting by anodulum high-voltage pulse

Ayzatsky, N.I.; Dovbnya, A.N.; Mazmanishvili, A.S.; Reshetnyak, N.G.; Romas’ko, V.P.; Chertishchev, I.A. (Вопросы атомной науки и техники, 2018)

The results of a study on the formation of an electron beam by a magnetron gun with a secondary-emission cathode (cathode diameter 36 mm, an anode 78 mm) in the voltage range 25...90 kV are presented. The secondaryemission ...
A dispersion equation of the cylindrical ideal wall vacuum cavity sinusoidally corrugated in azimuthal direction. Part II. Investigation of the dispersion equation

Maksimenko, A.V.; Tkachenko, V.I.; Tkachenko, I.V. (Вопросы атомной науки и техники, 2018)

Dispersion equation of a cylindrical cavity with an ideally conducting outer wall has been investigated, whose radius is described by a sinusoidal-periodic dependence on the azimuth angle. Numerically and analytically it ...
Accelerating structure with combined radio-frequency focusing for acceleration of heavy ions A/q ≤ 20 to energy 1 MeV/u

Tishkin, S.S.; Dyachenko, A.F.; Zaitsev, B.V.; Коbets, А.P.; Pavlii, К.V. (Вопросы атомной науки и техники, 2018)

A general arrangement of initial part for multicharged ion linac (MILAC) with two-segment accelerating structure has been developed. The first segment, an interdigital H-type (IH) accelerating structure with radio-frequency ...
Modernization of injection system of accelerator MLUD-3

Vdovin, S.A.; Gladkiy, N.P.; Gussev, E.V.; Makhnenko, P.L.; Manuilenko, O.V.; Ponomarchuk, E.I.; Sokol, V.S.; Turchin, A.A. (Вопросы атомной науки и техники, 2018)

Modernization of the injector accelerator MLUD-3 was undertaken in order to create preconditions for the increase of the accelerated average current and improve of control parameters of the injector. Measures to increase the ...
A study of the microwave amplification in MILO with the flat interaction space

Gorban’, A.M.; Lonin, Yu.F.; Sarukhanyan, G.E. (Вопросы атомной науки и техники, 2018)

The magnetically insulated transmission line oscillator (MILO) is the crossed field device developed for generation of microwave power at gigawatt level. We have used a numerical simulation method to investigate electromagnetic ...
Transport and matching of the injecting beam

Belikov, А.G.; Bondarenko, L.А.; Vdovin, S.А.; Gussev, Ye.V.; Manuilenko, O.V.; Shulika, N.G. (Вопросы атомной науки и техники, 2018)

The properties of multi-element axially symmetric electrostatic lenses as a possible matching device of linear accelerator injector are considered. The electrostatic lenses are more effective at small (up to 150 keV) ...
On analysis of the electromagnetic resistance of radioelectronic devices under impulse radiation

Lonin, Yu.Р.; Ponomaryov, A.G.; Chumakov, V.I. (Вопросы атомной науки и техники, 2018)

The results of investigations on degradation effects in the radioelectronics circuitry under the influence of the high-intensity pulse radiation are given. Analysis of the mechanism of degradation because of shortening ...
Еxcitation of the repetition frequency harmonics of electron bunches at their injection to atmosphere

Linnik, A.F.; Onishchenko, I.N.; Pristupa, V.I.; Sotnikov, G.V.; Krivonosov, G.A.; Omelayenko, O.L.; Us, V.S. (Вопросы атомной науки и техники, 2018)

The origin of microwave radiation when injecting a regular train of relativistic electron bunches into atmospheric pressure air is studied experimentally. Measurements of the wavelength of microwave oscillations were made ...
Сomparative analysis of acceleration of test electron bunch by train of bunches in the dielectrical waveguide and resonator filled with plasma

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)

Results of numerical simulation of acceleration of test bunch by sequence of relativistic electron bunches in the dielectrical cylindric slowing-down structure filled with plasma for the cases opened and closed by the ...
The model of microwave phase inverter controlled by a neon plasma source

Zaleskyi, D.Yu.; Krivonosov, G.A.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)

In the wakefield accelerator for a separation of a long train of bunches to drive and accelerated ones, it is proposed to use a phase inverter of electromagnetic waves of the microwave frequency range. A change in the phase ...
Investigation of beam extraction and formation in the ions injector

Belikov, А.G.; Bondarenko, L.А.; Gussev, Ye.V.; Manuilenko, O.V.; Vdovin, S.А. (Вопросы атомной науки и техники, 2018)

The results of analytical and numerical studies an ion beam extraction and formation from a plasma source are presented. The influence of ion optics parameters on the ion beam characteristics is studied. The studies were ...
Мультидискова модель електронного згустка для дослідження балістичного гуртування низькоемітансних пучків

Опанасенко, А.М.; Горяшко, В.А. (Вопросы атомной науки и техники, 2018)

При балістичному гуртуванні електронного пучка неоднорідність вздовж згустка поперечної компоненти поля просторового заряду суттєво збільшується, що може призвести до росту поперечного емітансу, якщо не буде задіяний ...
Аnalysis of short electron bunches shaping in a linac

Ayzatsky, M.І.; Kramarenko, K.Yu.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.M.; Perezhogin, S.O. (Вопросы атомной науки и техники, 2018)

The features of short electron bunche shaping via velocity bunching are explored. The basic possibility to obtain bunches with duration less than 1 ps at the LUE-40 linac is shown.
Аnalysis of the non-stationary model of coupled oscillators with inductive coupling

Ayzatsky, M.I.; Kramarenko, K.Yu. (Вопросы атомной науки и техники, 2018)

The model of coupled oscillators plays an important role in modern physics. It is used for description of various processes: from oscillations of atoms in solid states to electromagnetic oscillations in slow-wave structures. ...
Мechanisms of luminescence of amorphus dielectrics exposed to high-energy electrons

Romanovsky, S.K.; Uvarov, V.L. (Вопросы атомной науки и техники, 2018)

Main features of cathodoluminescence (CL) of amorphous dielectrics exposed to pulsed beam of accelerated electrons are described. On the basis of a simplified two-level model of electron traps in the prohibited zone, it ...
Статус мёллеровского поляриметра зала А Лаборатории Т.Джефферсона

Помацалюк, Р.И. (Вопросы атомной науки и техники, 2018)

Представлено текущее состояние мёллеровского поляриметра после реконструкции для работы с пучком электронов с энергиями до 11,5 ГэВ. Приведены результаты измерений поляризации пучка в диапазоне энергий 8,5…11 ГэВ и анализ ...

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