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Перегляд Bопросы атомной науки и техники, 2004 за назвою

Репозиторій DSpace/Manakin

Перегляд Bопросы атомной науки и техники, 2004 за назвою

Сортувати за: Порядок: Результатів:

  • Experimental investigation of neutron spectra generated in a copper target by 10 MeV protons 
    Yegorov, A.M.; Migalenja, V.Ja.; Nagaychenko, V.I.; Sotnikov, V.V.; Voronko, V.A.; Zhuk, V.V. (Вопросы атомной науки и техники, 2004)
    The intensity and energy spectra of neutron radiation arising as a result of interaction of the accelerated proton beam with a copper target were measured at a proton energy of 10 MeV. The neutron spectrum was measured ...
  • Experimental studies into spectral and time characteristics of the accelerator U-12 radiation field 
    Yegorov, A.M.; Migalenja, V.Ja.; Nagaychenko, V.I.; Sotnikov, V.V.; Voronko, V.A.; Zhuk, V.V. (Вопросы атомной науки и техники, 2004)
    The present paper is concerned with experimental studies of the structure, time and spectral characteristics of the radiation field of the accelerator U-12. The results obtained from the studies were used to develop the ...
  • Experimental study of accelerating field distribution optimization in the H-structure with comb holders 
    Bryzgalov, G.A.; Sokolenko, E.N (Вопросы атомной науки и техники, 2004)
    We have suggested to perform the tuning the structure accelerating field distribution at the wave similar to H, by changing the inductivity of the holder of a single drift tube. Changing the angle of bend of the adjacent ...
  • Experimental study of injector based on the spark source with titanium cathode saturated with hydrogen 
    Vasiliev, A.A.; Iosseliani, D.D.; Kushin, V.V.; Petrenko, S.V.; Plotnikov, S.V.; Seleznev, D.N.; Zubovsky, V.V.; Bogolyubov, E.P.; Bobylev, V.T.; Kuznetzov, V.A.; Ryzhkov, V.I.; Presnyakov, Yu.K.; Samarin, V.A. (Вопросы атомной науки и техники, 2004)
    The results of experimental study of short-pulse proton injector for various variants of construction of pulse spark ion source are considered. The experimental results of study of regimes of both ignition and discharge ...
  • Experimental study of secondary emission mode in RF gun with thermionic cathode 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V.; Perezogin, S.A.; Stepin, D.L. (Вопросы атомной науки и техники, 2004)
    The paper deals with the problems concerning the influence of secondary emission on the operation of radio frequency (RF) gun with thermionic cathode. The characteristics of particles bombarding the cathode are investigated by ...
  • External injection into the JINR phasotron. Computer simulation of the beam dynamics taking into account the space charge 
    Onischenko, L.M.; Samsonov, E.V. (Вопросы атомной науки и техники, 2004)
    A project of increasing the beam intensity of the 660 MeV JINR proton Phasotron up to 50 µA by an external injection of the H− beam with energy of 5 MeV is now under design. Computer simulation of the beam dynamics ...
  • First experimental results obtained using the highpower free electron laser at the siberian center for photochemical research 
    Antokhin, E.A.; Akberdin, R.R.; Arbuzov, V.S.; Bokov, M.A.; Bolotin, V.P.; Burenkov, D.B.; Bushuev, A.A.; Veremeenko, V.F; Vinokurov, N.A.; Vobly, P.D.; Gavrilov, N.G.; Gorniker, E.I; Gorchakov, K.M; Grigoryev, V.N; Gudkov, B.A.; Davydov, A.V.; Deichuli, O.I.; Dementyev, E.N.; Dovzhenko, B.A.; Dubrovin, A.N; Evtushenko, Yu.A.; Zagorodnikov, E.I.; Zaigraeva, N.S.; Erokhin, A.I; Kairan, D.A.; Kiselev, O.B.; Knyazev, B.A.; Kozak, V.R.; Kolmogorov, V.V; Kolobanov, E.I; Kondakov, A.A.; Kondakova, N.L.; Krutikhin, S.A.; Kryuchkov, A.M.; Kubarev, V.V; Kulipanov, G.N; Kuper, E.A.; Kuptsov, I.V.; Kurkin, G.Ya.; Labutskaya, E.A.; Leontyevskaya, L.G.; Loskutov, V.Yu; Matveenko, A.N; Medvedev, L.E.; Medvedko, A.S.; Miginsky, S.V.; Mironenko, L.A.; Motygin, S.V.; Oreshkov, A.D.; Ovchar, V.K.; Osipov, V.N.; Persov, B.Z.; Petrov, S.R.; Petrov, V.M.; Pilan, A.M.; Poletaev, I.V.; Polyanskiy, A.V.; Popik, V.M.; Popov, A.M.; Rotov, E.A.; Salikova, T.V; Sedliarov, I.K; Selivanov, P.A.; Serednyakov, S.S.; Skrinsky, A.N.; Tararyshkin, S.V.; Timoshina, L.A.; Tribendis, A.G.; Kholopov, M.A.; Cherepanov, V.P.; Shevchenko, O.A.; Shteinke, A.R.; Shubin, E.I.; Scheglov, M.A. (Вопросы атомной науки и техники, 2004)
    The first lasing near the wavelength of 140 µm was achieved in April 2003 using a high-power free electron laser (FEL) constructed at the Siberian Center for Photochemical Research. In this paper we briefly describe the ...
  • Formation of localised electron flow inside an interaction region of relativistic magnetron 
    Agafonov, A.V.; Lebedev, A.N.; Krastelev, E.G. (Вопросы атомной науки и техники, 2004)
    For an increasing of the efficiency of relativistic magnetrons it is very important to prevent the axial drift of electrons away from an interaction region and the generation of a parasitic e-beam at the end of a cathode, ...
  • Formation of periodical magnetic fields by sequence of rings with different electric and magnetic properties 
    Kopiychenko, D.Yu.; Onishchenko, I.N.; Sotnikov, G.V.; Pushkarev, S.S.; Prokopenko, Yu.V.; Chupikov, P.T.; Medvedev, D.V. (Вопросы атомной науки и техники, 2004)
    The electrodynamics analysis of topography of magnetic fields originating in spatially periodic system is carried out. The system under investigation is the solenoid inside which rings made from materials differ in electric ...
  • Formation of uniform electron beams on large-area targets 
    Dovbnya, A.N.; Dovbnya, N.A.; Kolot, Z.M.; Popenko, V.A.; Savchenko, A.N.; Styopin, D.L.; Shendrik, V.A. (Вопросы атомной науки и техники, 2004)
    The report describes the results of calculations and experimental studies of the system for scanning the beam on outside targets of electron accelerators by magnetic quadrupole lenses.
  • Formulation of criterion functional and set of constraints in problems of physical settings designing 
    Prokhorets, I.M.; Prokhorets, S.I.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2004)
    Characteristics of semiconductor spectrometer and neutronography setting were investigated using system analysis methods.
  • Functioning of LIA-30 accelerator in the mode of generating bremsstrahlung pulses shortened to several nanoseconds 
    Veresov, V.P.; Gornostaj-Pol’ski, S.A.; Gritsina, V.P.; Grishin, A.V.; Zalomina, N.N.; Kul’gavchuk, V.V.; Lazarev, S.A.; Model’, B.I.; Slusarenko, S.Ya.; Tarasov, A.D. (Вопросы атомной науки и техники, 2004)
    Deceleration of electrons and further transformation of the beam current lead to the ~2-times increase of the pulse amplitude, self-excited acceleration ofelectrons at the cutoffand shortening of15…20 Gy bremsstrahlung pulse.
  • Gamma-activation method for the element analysis of agricultural products after vacuum drying 
    Dikiy, N.P.; Kutovoy, V.A.; Kutovoy, S.V.; Lyachko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Nikolaenko, A.A.; Onishchenko, N.I.; Uvarov, V.L.; Fedorets, I.D.; Grytsan, L.D. (Вопросы атомной науки и техники, 2004)
    Development of the combined technologies of drying allows one to speed up the process of moisture moving away from the dried material and to decrease the energy consumption per the production unit. The composition of macro- ...
  • High-current electron beam guiding by the creation of profiled plasma channel 
    Agafonov, A.V.; Bogachenkov, V.A. (Вопросы атомной науки и техники, 2004)
    Earlier performed experiments showed effectiveness of proposed approach for a high-current non-relativistic electron beam generation in a plasma-filled diode with a plasma anode and an explosive emission cathode. Our ...
  • High-current electron beam power multiplication by converging the beams 
    Chornyi, V.; Frolov, A.; Tsepilov, G.; Dubina, V.; Chornyi, A.; Solovyov, V. (Вопросы атомной науки и техники, 2004)
    This paper is devoted to research and development of the techniques of multiterawatt electron beam generation in pulsed multimodular systems. Three methods of beam convergence/overlapping have been studied numerically ...
  • High-current hollow beam dynamics in RF electron guns 
    Khodak, I.V.; Kushnir, V.A.; Mitrochenko, V.V. (Вопросы атомной науки и техники, 2004)
    RF electron guns with a metal-dielectric cathode are able to generate intense beams with nanosecond current pulse duration. The plasma developed during the dielectric surface flashover in vacuum is the source of particles ...
  • High voltage modulators based on solid-state elements for linacs (review) 
    Beloglazov, V.I.; Dyomin, V.S.; Dovbush, L.S.; Kosoj, A.I.; Shkirida, S.M.; Tur, Yu.D. (Вопросы атомной науки и техники, 2004)
    The data on developing and creating high-voltage pulse modulators for linacs with using Insulator Gate Bipolar Transistors (IGBT) and Integrated Gate Commutate Thyristors (IGCT) are presented. Comparative analysis of ...
  • HV pulse modulator with switch on HV IGBT transistor 
    Dolgov, A.; Kildisheva, O. (Вопросы атомной науки и техники, 2004)
    The new generation modulator with a solid-state switch to provide the plate pulse supply of RF generators of hydrogen-ion linear accelerators is described. The use of a solid-state switch, instead of a vacuum tube, allowed ...
  • Hysteresis effects in electron guns 
    Agafonov, A.V.; Lebedev, A.N. (Вопросы атомной науки и техники, 2004)
    Computer simulations of beam formation in an electron gun with large compression of a thin annular beam show some hysteresis effects: a beam with different currents can exist in the same external conditions. The results ...
  • Improved characteristics of HV pulse modulators for technological accelerators 
    Dolgov, A.; Kildisheva, O. (Вопросы атомной науки и техники, 2004)
    The new modulator series intended to provide a pulse power supply of MI-451, MI-456 microwave magnetrons is described. The main feature of this modulator series, as compared with the existing national counterparts, is ...

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