Proliferation Resistance of a Hypothetical Sodium Fast Reactor under an Assumed Breakout Scenario
Why this work is in the frame
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Bibliographic record
Abstract
The Proliferation Resistance and Physical Protection (PR&PP) Working Group of the Generation IV International Forum conducted a high-level pathway analysis of a hypothetical sodium fast reactor and integral fuel processing facility (called collectively the Example Sodium Fast Reactor, or ESFR), as a test of the effectiveness of its analysis methodology. This paper presents the results of the analysis based on the breakout scenario. Four representative strategies were chosen for analysis: diversion of low-enriched uranium feed material, two different types of misuse of the reactor facility, and misuse of the fuel processing facility. A high-level pathways analysis was conducted for each strategy to determine relative ranking of the proliferation-time measure, specifically as it applies to the postbreakout period.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it