Estimation of Aluminum and Argon Activation Sources in the Hanaro Coolant

Jun, Byung Jin; Lee, Byungchul; Kim, Myong-Seop

doi:10.5516/net.2010.42.4.434

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“…The experience over the last decades showed that for facilities, e.g. nuclear power plants, research reactors and research facilities with accelerator tunnels, there is a permanent activity emission during normal operation that mainly contains airborne radionuclides [17][18][19][20][21][22][23][24]. For most of these facilities 41 Ar is one of the major contributors to the radiation release.…”

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confidence: 99%

Neutron activation and prompt gamma intensity in Ar/CO 2 -filled neutron detectors at the European Spallation Source

Dian

Kanaki

Hall-Wilton

et al. 2017

Applied Radiation and Isotopes

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Monte Carlo simulations using MCNP6.1 were performed to study the effect of neutron activation in Ar/CO neutron detector counting gas. A general MCNP model was built and validated with simple analytical calculations. Simulations and calculations agree that only the Ar activation can have a considerable effect. It was shown that neither the prompt gamma intensity from theAr neutron capture nor the produced Ar activity have an impact in terms of gamma dose rate around the detector and background level.

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