Abstract
Antineutrino monitoring of nuclear reactors for nonproliferation applications traditionally asses the plutonium inventory. When applied to thorium reactors the diversion 233U, bred through neutron capture on 232Th, becomes the material of interest. In the absence of experimental data, the antineutrino emission from the fission of 233U is estimated ab initio from known beta energy endpoints and fission yields for 233U. Using the derived antineutrino spectrum and rate evolution, the antineutrino emission under normal conditions and an anomalous scenario was compared to determine the time necessary to detect diversion of a significant quantity of 233U.
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