Monitoring the Thermal Power of Nuclear Reactors with a Prototype Cubic Meter Antineutrino Detector

Details Monitoring the Thermal Power of Nuclear Reactors with a Prototype Cubic Meter Antineutrino Detector Monitoring the Thermal Power of Nuclear Reactors with a Prototype Cubic Meter Antineutrino Detector

2008-04-30

arxiv.org/abs/0804.4723v1

J.Appl.Phys.103:074905,2008

Physics

Nuclear Physics

Nuclear Experiment

10 pages, 9 figures

Scientific paper

10.1063/1.2899178

In this paper, we estimate how quickly and how precisely a reactor's operational status and thermal power can be monitored over hour to month time scales, using the antineutrino rate as measured by a cubic meter scale detector. Our results are obtained from a detector we have deployed and operated at 25 meter standoff from a reactor core. This prototype can detect a prompt reactor shutdown within five hours, and monitor relative thermal power to three percent within seven days. Monitoring of short-term power changes in this way may be useful in the context of International Atomic Energy Agency's (IAEA) Reactor Safeguards Regime, or other cooperative monitoring regimes.

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