Uranium Mass Attribute System (UMAS) Study: Evaluation of Options against the Arms Control Evaluation Criteria

Technical Report · Tue Dec 31 23:00:00 EST 2019

DOI:https://doi.org/10.2172/1608124· OSTI ID:1608124

Knowles, J. ^[1]; Brubaker, E. ^[1]; McConchie, S. ^[1]; Williamson, M. ^[1]

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1. Y-12 National Security Complex, Oak Ridge, TN (United States)

In this FY19 study, a range of possible measurement systems for confirming a U-235 mass attribute were identified. The systems were reviewed for their applicability in a potential future arms control agreement, and a subset of the eight most plausible systems were selected for further evaluation against the Arms Control Evaluation Criteria (ACEC). The evaluation results were then used to identify a primary and secondary recommended measurement system for confirming a U-235 mass attribute on warheads, nuclear components of warheads, and/or materials as part of a hypothetical arms control agreement.

• Research Organization: Oak Ridge Y-12 Plant (Y-12), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: NA0001942
• OSTI ID: 1608124
• Report Number(s): IROS--14873; Y/PM-20-005
• Country of Publication: United States
• Language: English

Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
HEU
U-235 Mass Attribute System
UMAS
active neutron interrogation
attributes
false negative
false positive
highly enriched uranium
infinite thickness
inverse solver
mass attribute
peak differential analysis