Development of a prompt gamma neutron activation analysis facility for 10B concentration measurements at RA-3: Design stage
2011
Abstract A PGNAA facility is being developed for 10 B concentration measurements at RA-3 reactor. Its design targets detection limits better than tenths of a microgram and irradiation times on the order of minutes. Computational models were developed, which estimated thermal neutron fluxes in irradiation position to be larger than 10 9 n cm −2 s −1 . Calculated amounts of photons and fast neutrons make necessary for filter/moderator arrangements. An irradiation device was designed and numerically tested, which is being built and is to be used for performing characterizing measurements.
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