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Belchenko, Yu.

Paper Title Page
THLO08

 Initial High Voltage Tests and Beam Injection Experiments on BINP Proton Tandem-Accelerator 

  • Yu.Belchenko, A.Burdakov, V.Davydenko, V.Dolgushin, A.Dranichnikov, A.Ivanov, A.Khilchenko, V.Kobets, S.Konstantinov, A.Krivenko, A.Kudryavtsev, M.Tiunov, V.Savkin, V.Shirokov, I.Sorokin,
    Budker Institute of Nuclear Physics, Novosibirsk, Russia
  • J.P.Farrell
    Brookhaven Technology Group, Inc., USA

Status of original 2.0 MeV, 10 mA proton tandem-accelerator with vacuum insulation is presented. The accelerator is intended to be used in facilities generating resonance gamma rays for explosives detection and epithermal neutrons for boron neutron-capture therapy of brain tumors. Steady-state sectioned rectifier from industrial ELV-type electron accelerator is used as a high voltage source for the accelerator. A dc high-current negative ion source has been developed for injection into the tandem. In the tandem accelerator there is set of nested potential electrodes with openings which form a channel for accelerated negative ion beam and subsequently for proton beam after stripping gas target. The electrodes are fixed on a high voltage feedthrough insulator though which required potentials are applied to them from the rectifier by means of resistor voltage divider. In the paper the first experimental results obtained with vacuum insulated tandem accelerator are also given. Keywords: vacuum insulation tandem accelerator, gamma resonance absorption, boron neutron capture therapy.

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