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Jesson Hutchinson

As seen in: Wiley Online Library, Taylor & Francis Online
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Articles

Lilith: An Enduring Plutonium Critical Assembly

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By Cole Kostelac, Jesson Hutchinson, Robert Little
| Taylor & Francis Online
Abstract The Jezebel plutonium critical assembly, operated from 1954 to 1977, has been a benchmark for validating nuclear data, particularly for fast 239Pu fission, over the past 70 years. However, since its disassembly decades ago, there have been issues with Jezebel’s legacy, including incomplete documentation, limited opportunities for long-term system parameter observations, and a lack of means to test new advancements using the same assembly.
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Characterization of a 6-kg Neptunium Metal Sphere

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By Jesson Hutchinson, John D. Bess, Nicholas Thompson, Juliann R. Lamproe
| Taylor & Francis Online
Abstract The Np sphere is a 6070.4-g sphere of neptunium metal cast by Los Alamos National Laboratory in 2001. Neptunium is of interest to the nuclear community for applications such as space exploration and reactor fuel. The Np sphere is composed mostly of 237Np, which is a threshold fissioner. It requires an approximately 700-keV neutron to fission and therefore can go critical with only fast neutrons.
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Benchmark of the Chlorine Worth Study Experiments in Support of Chlorine Nuclear Data Validation for Nuclear Criticality Safety

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By Theresa Cutler, Jesson Hutchinson, Kelly E. Aldrich, Jeffrey A. Favorite
| Taylor & Francis Online
?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a formula to zoom. Abstract The Chlorine Worth Study (CWS) was a critical experiment to address an urgent need for thermal chlorine nuclear data validation in plutonium systems.
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