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2004 Accelerators Article Beams Physics

Lithium neutron producing target for BINP accelerator-based neutron source

Applied Radiation and Isotopes, 2004

Authors:   Bayanov B., Belov V., Kindyuk V., Oparin E., Taskaev S.
Journal: Applied Radiation and Isotopes
https://doi.org/10.1016/j.apradiso.2004.05.032
Abstract: Pilot innovative accelerator-based neutron source for neutron capture therapy is under construction now at the Budker Institute of Nuclear Physics, Novosibirsk, Russia. One of the main elements of the facility is lithium target, that produces neutrons via threshold 7Li(p,n)7Be reaction at 25 kW proton beam with energies 1.915 or 2.5 MeV. In the present report, the results of experiments on neutron producing target prototype are presented, the results of calculations of hydraulic resistance for heat carrier flow and lithium layer temperature are shown. Calculation showed that the lithium target could run up to 10 mA proton beam before melting. Choice of target variant is substantiated. Program of immediate necessary experiments is described. Target design for neutron source constructed at BINP is presented. Manufacturing the neutron producing target up to the end of 2004 and obtaining a neutron beam on BINP accelerator-based neutron source are planned during 2005.

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