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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:

  • 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 ...
  • Proposals for experimental study of wakefield undulator radiation 
    Opanasenko, A.N. (Вопросы атомной науки и техники, 2006)
    The possibility of detection of a wake-field undulator radiation generated by short bunches of relativistic charged particles, moving through a periodic rf structure, is estimated.
  • Pulse shaping system for INR proton linac 
    Kouznetsov, V.V.; Mirzojan, A.N.; Naboka, A.N.; Novikov-Borodin, A.V.; Serov, V.L.; Feschenko, A.V. (Вопросы атомной науки и техники, 2006)
    The system for proton beam pulse shaping in the 400 keV injection line of the INR linac is developed, built and implemented. The use of a traveling wave fast deflector and the Behlke Electronic fast HV transistor switch ...
  • Radiation shielding of electron accelerator LIAM-2: calculation and geometry 
    Mazilov, A.V.; Razsukovannyj, B.N.; Degtyar, J.A.; Vinokurov, V.A. (Вопросы атомной науки и техники, 2006)
    In the present paper the calculation is carried out and the geometry of radiation shielding construction for a linear induction electron accelerator LIAМ-2 with the energy of 2 MeV and current in a pulse 3∙10³ A developed ...
  • Radioluminescence degradation of scintillators on a basis of polystyrene and poly-2,4-dimethylstyrene, the ways of their radiating stability increasing 
    Voronkina, N.I.; Senchyshyn, V.G.; Milinchuk, V.K.; Sheluhov, I.P. (Вопросы атомной науки и техники, 2006)
    Spectra of radioluminescence of plastic scintillators on a basis of polystyrene and poly-2,4-dimethylstyrene under an influence of γ-radiation are obtained. It is shown that the most effective quenchers are macroradicals, ...
  • Simulation of laser-plasma synchrotron radiation source by a relativistic hybrid code 
    Kostyukov, I. (Вопросы атомной науки и техники, 2006)
    A 2D axially symmetrical hybrid PIC code is developed to study transformation of the laser energy into x-rays in plasma. A quasistatic approximation (the plasma wake is assumed to be slowly changed in a laser pulse frame) ...
  • Spectra of Cherenkov and transition radiation excited by a train of electron bunches in dielectric structures of rectangular cross-section 
    Onishchenko, I.N.; Onishchenko, N.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2006)
    The peculiarities of radiation spectra of a single relativistic electron bunch or train of bunches in an infinite rectangular dielectric waveguide, in a semi-infinite dielectric waveguide, and in a dielectric waveguide ...
  • Status of the linear accelerator-injector at TNK facility 
    Chernov, K.N.; Filiptchenko, A.V.; Matveev, Yu.G.; Matyash, N.V.; Ostreiko, G.N.; Ruvinsk, S.I.; Serdobintsev, G.V.; Ushakov, V.A. (Вопросы атомной науки и техники, 2006)
    Industrial storage facility at Lukin State Research Institute for Problems in Physics, Zelenograd includes two electron storage rings: the main ring for energy of 2.5 GeV and booster ring for energy of 450 MeV. Linear ...
  • Status of VEPP-4M collider: current activity and plans 
    Blinov, V.; Bogomyagkov, A.; Karnaev, S.; Kiselev, V.; Kremyanskaya, E.; Kvardakov, V.; Levichev, E.; Mishnev, S.; Meshkov, O.; Muchnoy, N.; Naumenkov, A.; Neyfeld, V.; Nikolaev, I.; Nikitin, S.; Piminov, P.; Protopopov, I.; Shatilov, D.; Shamov, A.; Simonov, E.; Sinyatkin, S.; Skrinsky, A.; Smaluk, V.; Tikhonov, Y.; Tumaikin, G.; Zhuravlev, A. (Вопросы атомной науки и техники, 2006)
    Presented are the results of a VEPP-4M collider operation at Budker Institute of Nuclear Physics during 2004-2005 as well as the plans for the nearest future.

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