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Uncertainty assessment of neutron resonance transmission analysis using the linear absorption model |
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| Authors: | Fumito Kitatani Hideo Harada Jun Takamine Masatoshi Kureta Michio Seya |
| Affiliation: | 1. Japan Atomic Energy Agency, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japankitatani.fumito@jaea.go.jp;3. Japan Atomic Energy Agency, 2-4 Shirane, Shirakata, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan |
| Abstract: | Neutron resonance densitometry (NRD) has been proposed to quantify nuclear materials in particle-like debris of melted spent nuclear fuel formed in severe nuclear reactor accidents. The NRD is a hybrid technique of the neutron resonance transmission analysis and the neutron resonance capture analysis. We have studied the statistical uncertainties of the neutron resonance transmission analysis by using the linear absorption model. Particularly, the effects of impurities and sample thickness on the uncertainties were examined. |
| Keywords: | neutron resonance densitometry neutron resonance transmission analysis neutron resonance capture analysis Fukushima Daiichi nuclear power plant melted spent nuclear fuel safeguards and security |