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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 384 - 393 (10page)
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An experimental validation of a nuclear forensics methodology for the source reactor-type discriminationof separated weapons-useable plutonium is presented. The methodology uses measured values of intraelementisotope ratios of plutonium and fission product contaminants. MCNP radiation transport codeswere used for various reactor core modeling and fuel burnup simulations. A reactor-dependent library ofintra-element isotope ratio values as a function of burnup and time since irradiation was created fromthe simulation results. The experimental validation of the methodology was achieved by performing twolow-burnup experimental irradiations, resulting in distinct fuel samples containing sub-milligramquantities of weapons-useable plutonium. The irradiated samples were subjected to gamma and massspectrometry to measure several intra-element isotope ratios. For each reactor in the library, a maximumlikelihood calculation was utilized to compare the measured and simulated intra-element isotope ratiovalues, producing a likelihood value which is proportional to the probability of observing the measuredratio values, given a particular reactor in the library. The measured intra-element isotope ratio values ofboth irradiated samples and its comparison with the simulation predictions using maximum likelihoodanalyses are presented. The analyses validate the nuclear forensics methodology developed
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참고문헌 (25)
참고문헌 신청
United States Department of Defense / 2018 / Nuclear Posture Review
Jeremy M. Osborn / 2018 / Nuclear Forensics Methodology for Reactor-Type Attribution of Chemically Separated Plutonium / Nuclear Technology 201(1):1~10
Mathew W. Swinney / 2017 / Experimental and Computational Forensics Characterization of Weapons-Grade Plutonium Produced in a Fast Reactor Neutron Environment / Nuclear Technology 197(1):1~11
Jeremy M. Osborn / 2018 / Computational and experimental forensics characterization of weapons-grade plutonium produced in a thermal neutron environment / Nuclear Engineering and Technology 50(6):820~828
M. Benedict / 1981 / Nuclear Chemical Engineering / McGraw-Hill Series in Nuclear Engineering
Jeremy M. Osborn / 2018 / Nuclear Forensics Methodology for Reactor-Type Attribution of Chemically Separated Plutonium / Nuclear Technology 201(1):1~10
Mathew W. Swinney / 2017 / Experimental and Computational Forensics Characterization of Weapons-Grade Plutonium Produced in a Fast Reactor Neutron Environment / Nuclear Technology 197(1):1~11
Jeremy M. Osborn / 2018 / Computational and experimental forensics characterization of weapons-grade plutonium produced in a thermal neutron environment / Nuclear Engineering and Technology 50(6):820~828
M. Benedict / 1981 / Nuclear Chemical Engineering / McGraw-Hill Series in Nuclear Engineering
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