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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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The spark of the Super: Teller–Ulam and the birth of the H-bomb—rivalry, credit, and legacy at 75 years
In early 1951, Los Alamos scientists Edward Teller and Stanislaw Ulam devised a breakthrough that would lead to the hydrogen bomb [1]. Their design gave the United States an initial advantage in the Cold War, though comparable progress was soon achieved independently in the Soviet Union and the United Kingdom.
Nuclear Criticality Safety Division Topical Meeting (NCSD 2022)
Technical Session
Tuesday, June 14, 2022|10:15AM–12:00PM PDT|El Capitan A
Session Chairs:
Leah Berman (LANL)
Dallas Moser (Y-12)
Session Organizer:
Kevin H. Reynolds
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Domestic and International Standards for Nuclear Criticality Safety -- Overview and Status
Douglas G. Bowen (ORNL)
Paper
Y-12 Nuclear Criticality Safety Program Health Model: Development, Use and Benefits
Paul F. Gubanc (Amentum Technical Services), Michael J. Crouse (Consolidated Nuclear Security)
Triennial Assessments Program at Los Alamos National Laboratory
James J. Kuropatwinski (LANL), Hannah Morbach (LANL)
Presented by Theresa Cutler (LANL)
Detection of a Slow Kinetic Criticality Accident by the Radiation Protection Monitoring System
Olivier Ravat (Orano Melox)
The CAAS-3S Next-Generation Criticality Accident Alarm System
S. Philips (Mirion Technologies), J. Kirkpatrick (Mirion Technologies), J. Lagana (Mirion Technologies), M. Detriche (Mirion Technologies), A. Gallozzi Ulmann (Mirion Technologies), N. Houfflain (Mirion Technologies)
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