Author: Sanin, A.L.
Paper Title Page
WEPSB075 Beam Injector for Vacuum Insulated Tandem Accelerator 529
 
  • A.S. Kuznetsov, K.A. Blokhina, A.A. Gmyrya, A.V. Ivanov, D.A. Kasatov, A.M. Koshkarev, A.L. Sanin
    BINP SB RAS, Novosibirsk, Russia
  • K.A. Blokhina, A.A. Gmyrya
    NSTU, Novosibirsk, Russia
  • D.A. Kasatov, A.M. Koshkarev
    NSU, Novosibirsk, Russia
  
  Funding: Applied research is carrying out with the financial support of the Russian Federation represented by the Ministry of Education and Science of Russia (unique identifier RFMEFI60414X0066).
The Vacuum Insulated Tandem Accelerator is built at the Budker Institute of Nuclear Physics. The accelerator is designed for development of the concept of accelerator-based boron neutron capture therapy of malignant tumors in the clinic.* In the accelerator the negative hydrogen ions are accelerated by the high voltage electrode potential to the half of required energy, and after conversion of the ions into protons by means of a gas stripping target the protons are accelerated again by the same potential to the full beam energy. During the facility development, the proton beam was obtained with 5 mA current and 2 MeV energy**. To ensure the beam parameters and reliability of the facility operation required for clinical applications, the new injector was designed based on the ion source with a current up to 15 mA***, providing the possibility of preliminary beam acceleration up to 120-200 keV. The paper presents the status of the injector construction and testing.
*B.F.Bayanov, et al. Nuclear Instr. and Methods in Physics Research A 413/2-3 (1998) 397-426.
**A. Ivanov, et al. Journal of Instrumentation 11 (2016) P04018.
***Yu. Belchenko, et al. AIP Conference Proceedings 1097, 214 (2009); doi: 10.1063/1.3112515
 		 
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THPSC086 Development and Implementation of the Automation System of the Ion Source for BNCT 733
 
  • A.M. Koshkarev, A.S. Kuznetsov, A.L. Sanin, V.Ya. Savkin, S.Yu. Taskaev, P.V. Zubarev
    BINP SB RAS, Novosibirsk, Russia
  
  Funding: Ministry of Science of the Russian Federation, unique identifier of applied research RFMEFI60414X0066.
The new source of epithermal neutrons*, designed for boron neutron capture therapy (BNCT)** of cancer in oncology clinic, was proposed and developed in Budker Institute of Nuclear Physics. This method of treatment is effective against several currently incurable radioresistant tumors, such as brain glioblastoma and melanoma metastases. The neutron source includes a new type of accelerator: accelerator-tandem with vacuum insulation, lithium neutron generating target and neutron beam shaping assembly. Current accelerator produces a stationary 5 mA proton beam with 2 MeV energy, but this is not sufficient for therapy on humans. For conducting the experiment on humans it is necessary to create a new power rack for the ion source. The report summarizes results of the development and implementation of new power rack, with remote control and data collection systems, to reach 15 mA beam current. This system will increase the proton beam current and, as a result, the neutron yield, that is needed to heal people.
* S. Taskaev. Accelerator based epithermal neutron source. Physics of Particles and Nuclei, 2015, Vol. 46, No. 6, pp. 956'990.
** Neutron Capture Therapy. Principles and Applications. Eds: W. Sauerwein, A. Wittig, R. Moss, Y. Nakagawa. Springer, 2012. 		 
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