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Related Experiment Videos

Lithium neutron producing target for BINP accelerator-based neutron source.

B Bayanov1, V Belov, V Kindyuk

  • 1Budker Institute of Nuclear Physics, 11 Lavrentiev avenue, 630090 Novosibirsk, Russia.

Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine
|August 17, 2004
PubMed
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A new accelerator-based neutron source for neutron capture therapy is being built. Experiments show the lithium target prototype can handle a 10 mA proton beam before melting, ensuring operational stability.

Area of Science:

  • Nuclear physics
  • Accelerator technology
  • Medical physics

Background:

  • Neutron capture therapy (NCT) requires a reliable neutron source.
  • Accelerator-based neutron sources offer a promising alternative to research reactors.
  • The Budker Institute of Nuclear Physics (BINP) is developing an innovative accelerator-based neutron source.

Purpose of the Study:

  • To present experimental results for a neutron-producing lithium target prototype.
  • To evaluate the thermal and hydraulic performance of the lithium target.
  • To substantiate the choice of target variant for the BINP neutron source.

Main Methods:

  • Experimental testing of a neutron-producing target prototype.
  • Computational analysis of hydraulic resistance for heat carrier flow.

Related Experiment Videos

  • Thermal calculations of the lithium layer temperature under proton beam irradiation.

    • Main Results:

    • The lithium target produces neutrons via the (7)Li(p,n)(7)Be reaction using a 25 kW proton beam.
    • Calculations indicate the lithium target can withstand a proton beam current up to 10 mA before melting.
    • The hydraulic resistance and temperature distribution of the lithium layer were analyzed.

    Conclusions:

    • The developed lithium target design is suitable for the BINP accelerator-based neutron source.
    • The target demonstrates robust thermal performance, capable of handling significant proton beam currents.
    • Further experiments are planned to validate performance and finalize the target design for operation in 2005.