Bundle Degradation Behaviour in the Phebus FP Tests Derived from their Post Irradiation Examination (PIE)
Bibliographic record
Abstract
The Phébus FP project is an international project examining the release and behaviour of fission products from irradiated fuel. It is led and being carried out by the Institut de Radioprotection et de Sûreté Nuclèaire (IRSN) at Cadarache in collaboration with the European\nCommission and the EU national research institutes as well as USA, Canada, Korea, Japan and Switzerland [1,2]. ITU & PSI have undertaken the post irradiation examination (PIE) of the bundles. The first test FPT0 used trace irradiated fuel and acted as a reference. FPTI examined bundle degradation and release under steam atmospheres while FPT2 was carried out under steamlimited conditions. FPT3 was carried out with reduced steam flow conditions but also using a B4C absorber rod. The latter test is still undergoing examination.
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How this classification was reachedexpand
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 | 0.004 | 0.001 |
| 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 | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.016 | 0.003 |
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 itClassification
machine, unvalidatedMachine predicted; both teacher heads agree on what is shown here.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".