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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Nuclear Science and Engineering
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Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
Technical Session|Sponsored by NCSD|Cosponsored by NNPD
Wednesday, December 1, 2021|4:20–5:45PM EST |Gunston
Session Chair:
George E. McKenzie
Alternate Chair:
David E. Ames
Session Organizer:
Jesson D. Hutchinson
To access the session recording, you must be logged in and registered for the meeting.
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To access paper attachments, you must be logged in and registered for the meeting.
Preliminary NoMAD Results of the MUSiC Experiment
4:25–4:45PM EST
Alexander McSpaden (LANL), Caiser Bravo (Univ. of Michigan), Theresa Cutler (LANL), Joetta Goda (LANL), Wim Haeck (LANL), Jesson Hutchinson (LANL), Hadyn Kistle (LANL), George McKenzie (LANL), William Myers (LANL), Rene Sanchez (LANL), Robert Weldon (LANL)
Paper
Comparison of Neutron Multiplicity Counting Estimates with trans-Stilbene, EJ-309, and He-3 Detection Systems
4:45–5:05PM EST
F.B. Darby (Univ. of Michigan), J. D. Hutchinson (LANL), M. Y. Hua (Univ. of Michigan), R. A. Weldon (LANL), G.E. McKenzie (LANL), J. R. Lamproe (Univ. of Michigan), S. A. Pozzi (Univ. of Michigan)
Sensitivity Analysis of H2O Pulsed-Neutron Die-Away Experiments to the H-H2O Thermal Scattering Law
5:05–5:25PM EST
Daniel Siefman (LLNL), Catherine Percher (LLNL), David Heinrichs (LLNL)
Sensitivity-Based Experiment Design Optimization for a Molybdenum Critical Experiment
5:25–5:45PM EST
Cole Kostelac (LANL), Nicholas Thompson (LANL), Rene Sanchez (LANL), Noah Kleedtke (LANL)
Impact of Spontaneous Fission Neutron Emission Energy on Neutron Detector Response
5:45–6:05PM EST
Jawad R. Moussa (LANL), Jesson Hutchinson (LANL), George McKenzie (LANL)