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Перегляд Вопросы атомной науки и техники, 2006, № 3 за назвою

Репозиторій DSpace/Manakin

Перегляд Вопросы атомной науки и техники, 2006, № 3 за назвою

Сортувати за: Порядок: Результатів:

  • Free electron lasers based on LINAC-800 
    Alexandrov, V.S.; Balalykin, N.I.; Kobets, V.V.; Meshkov, I.N.; Minashkin, V.F.; Seleznev, I.A.; Sergeev, A.P.; Shirkov, G.D.; Sidorov, G.I.; Syresin, E.M.; Tokareva, N.A.; Tiutiunnikov, S.I. (Вопросы атомной науки и техники, 2006)
    The project “FELs and LINAC-800” is being under development at JINR. It is based on an accelerator facility presented to JINR by NIKHEF, Amsterdam. Analysis has shown that it is possible to build in Dubna a universal light ...
  • High-current low-energy electron beam generation in plasma system 
    Agafonov, A.V.; Bogachenkov, V.A.; Krastelev, E.G. (Вопросы атомной науки и техники, 2006)
    Results of experimental investigations of low-energy high-current electron beam generation in a plasma-filled diode with a long plasma anode and an explosive emission cathode are given. An additional low-current electron beam ...
  • High voltage decoupled high-current power supply 
    Pachkov, A.A.; Bak, P.A. (Вопросы атомной науки и техники, 2006)
    A 10 kW power supply (PS) with smooth adjustment of the load current from zero up to 2 kA is described. The operating mode with a load current stability up to 0.1% and long-term instability of 0.01% is possible. The PS ...
  • Industrial electron accelerators type ILU 
    Auslender, V.L.; Bryazgin, A.A.; Bezuglov, V.V.; Glagolev, G.B.; Gorbunov, V.A.; Cheskidov, V.G.; Gornakov, I.V.; Faktorovich, B.L.; Kokin, E.N.; Lukin, A.N.; Maksimov, S.A.; Nekhaev, V.E.; Panfilov, A.D.; Radchenko, V.M.; Romashko, N.D.; Sidorov, A.V.; Tkachenko, V.O.; Tuvik, A.A.; Voronin, L.A. (Вопросы атомной науки и техники, 2006)
    The paper describes ILU type industrial electron accelerators. Their main parameters, design, principle of action, electron beam extraction devices, wide set of auxiliary equipment for various technological processes and ...
  • Input coupler development for superconducting cavity 500 kW CW power feed 
    Gusarova, M.A.; Zavadtsev, A.A.; Zavadtsev, D.A.; Krasnov, A.A.; Lalayan, M.W.; Sobenin, N.P. (Вопросы атомной науки и техники, 2006)
    The coaxial-type input coupler for Energy Recovery Linac injector cavity simulation results are presented. This device is to feed the superconducting cavity with 150 kW RF power in continuous wave regime at 1.3 GHz ...
  • Investigation into conditions of experimental observation of Borrmann effect in a parametric X-radiation 
    Blazhevich, S.V.; Noskov, A.V. (Вопросы атомной науки и техники, 2006)
    Spectral-angular characteristics of coherent X-ray radiation of relativistic electrons in a crystal are formulated in the framework of the dynamic theory of X-rays diffraction. Numerical calculations of the radiation angle ...
  • Investigation of actinide simulators migration in granite and tuff irradiated by gamma-quanta 
    Dubinko, V.I.; Dovbnya, A.N.; Sayenko, S.Yu.; Dikiy, N.P.; Shevyakova, E.P.; Grytsyna, V.M.; Surkov, A.E.; Bereznyak, E.P.; Lyashko, Yu.V.; Medvedeva, E.P. (Вопросы атомной науки и техники, 2006)
    Granite and tuff specimens have been γ- irradiated to the absorbed doses ranging from 10⁷ to 3.0·10⁸ Gy. Penetration profiles of cerium ¹³⁹Ce (actinide simulator) in granite and tuff specimens (before and after ...
  • Investigations of cold cathode TPI1-10k/50 thyratron parameters at voltage up to 50 kV, current up to 10 kA, pulse duration of hundred nanoseconds 
    Akimov, A.V.; Bak, P.A.; Kazarezov, I.V.; Korepanov, A.A. (Вопросы атомной науки и техники, 2006)
    The results of cold cathode TPI1-10k/50 thyratron parameters at voltage up to 50 kV, current up to 10 kA and pulse duration of hundred ns are described. The optimal parameters of thyratron power supply and pulse driver ...
  • Laser cooling in an electron storage ring and its limits 
    Lebedev, A.N. (Вопросы атомной науки и техники, 2006)
    The evolution of synchrotron and betatron emittances of an electron beam under action of laser irradiation and consequent emission of hard quanta is analyzed. Dependencies of the cooling rate on structure functions at the ...
  • Laser system of microwave picosecond pulse trains used for emission initiation in the photogun 
    Dyomin, V.S.; Dovbnya, A.N.; Reprintsev, L.V.; Shendrik, V.A. (Вопросы атомной науки и техники, 2006)
    The scheme of picosecond pulse train formation by scanning of a laser ray across the adjustable diaphragm by means of a microwave traveling-wave optical deflector is presented. After amplification and conversion these ...
  • Neutron fluxe measurements at the electrostatic electron accelerator “ELIAS” 
    Borisenko, V.N.; Goncharov, I.G.; Mazilov, A.V.; Torgovkin, A.V.; Shramenko, B.I. (Вопросы атомной науки и техники, 2006)
    Neutron fluxes were measured at an electron energy of 3 MeV, a current of 51 μA and a beryllium target thickness of 3 mm. Taking into account spare capacities for increasing the neutron flux, calculations were made of a ...
  • New versions of the BEAMDULAC code for high intensity ion beam dynamics investigation 
    Masunov, E.S.; Polozov, S.M. (Вопросы атомной науки и техники, 2006)
    New versions of the BEAMDULAC code are described. Such code can be used for high intensity ion beam dynamics investigation in linear accelerators. New abilities of the code are presented and the code testing is observed. A ...
  • On the opportunity of β-radiation detection by SI detectors in the Chernobyl failure area 
    Kulibaba, V.I.; Mazilov, A.A.; Maslov, N.I. (Вопросы атомной науки и техники, 2006)
    It is demonstrated that a double silicon detector operating in the coincidence mode [1,2] can be used in radiationmonitoring instruments for registering β-radiation at high γ-background conditions, e.g., in Chernobyl.
  • Optimization method and development with use of ABC program the input dynamical matcher with reduced slope of beam envelope in wide range of beam currents for heavy ion high current RFQ 
    Vorobyov, I.A. (Вопросы атомной науки и техники, 2006)
    An analytical law developed earlier for an output matcher in an initial part of RFQ electrodes was adopted for an input unmodulated dynamical (radio) matcher (IRM). An analytical formula describing the different types of ...
  • Parameters of electron beam generated by RF gun with ferroelectric cathode 
    Khodak, I.V.; Kushnir, V.A.; Romas’ko, V.P.; Zakutin, V.V. (Вопросы атомной науки и техники, 2006)
    RF guns with thermoemission and photoemission cathodes generate an electron beam pulse current and current pulse duration of 10⁻¹…10³ A and 10⁻⁶…10⁻¹² s, respectively. It is proposed to apply a ferroelectric cathode in ...
  • PMT dark noise monitoring system for neutrino detector BOREXINO based on the DeviceNet protocol and WEB - access 
    Chepurnov, A.S.; Orekhov, D.I.; Maimistov, D.A.; Sabelnikov, A.A.; Etenko, A.V. (Вопросы атомной науки и техники, 2006)
    Monitoring of PMT dark noise in a neutrino detector BOREXINO is a procedure that indicates condition of the detector. Based on CAN industrial network, top level DeviceNet protocol and WEB visualization, the dark ...
  • Polarized protons acceleration at U-70 
    Otboyev, A.V.; Shatunov, P.Yu.; Shatunov, Yu.M. (Вопросы атомной науки и техники, 2006)
    A possibility to accelerate polarized proton at the synchrotron U-70 is considered. Estimations of the spin resonances are given in the energy range 2.5…70 GeV. To suppress depolarizing effects of spin resonances, a scheme ...
  • Power requirements for a high-current proton linac with radial focusing by an electron beam 
    Ivanov, B.I.; Shulika, N.G. (Вопросы атомной науки и техники, 2006)
    An estimation for power requirements and efficiency of a linear accelerator with transverse focusing by an electron beam is presented for the following parameters: proton beam current of 100…300 mA, output energy of 3 ...
  • Progress in 433 MHz RFQ technology at NPK LUTS NIIEFA 
    Svistunov, Yu.A.; Vorogushin, M.F.; Gavrish, Yu.N.; Budtov, A.A.; Bogdanov, P.V.; Ershov, V.A.; Grigoriev, V.I.; Liverovski, A.K.; Mudrolubov, V.G.; Petrov, V.I.; Silaev, S.A.; Strokach, A.P.; Tsvetkov, V.F. (Вопросы атомной науки и техники, 2006)
    The paper is a survey of progress in 433 MHz RFQ technology at Production Complex of Linacs and Cyclotrons of D.V. Efremov Institute Sci. over past three years. RFQs and APF-cavities are designed as bases for ion ...
  • Project “IREN”. Current status 
    Kobets, V.V.; Sumbaev, A.P.; Furman, V.I.; Shvets, V.A. (Вопросы атомной науки и техники, 2006)
    The pulsed source of Intense REsonance Neutrons (IREN), similar to the source-booster LUE-40–IBR-30 that operated at JINR till 2001, traditionally represents a combination of a driver − a linear electron accelerator ...

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