Neutrino oscillation physics potential of the T2K experiment
Why this work is in the frame
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Bibliographic record
Abstract
The observation of the recent electron neutrino appearance in a muon neutrino beam and the high-precision measurement of the mixing angle have led to a re-evaluation of the physics potential of the T2K long-baseline neutrino oscillation experiment. Sensitivities are explored for CP violation in neutrinos, non-maximal , the octant of , and the mass hierarchy, in addition to the measurements of , , and , for various combinations of -mode and -mode data-taking. With an exposure of protons-on-target, T2K can achieve 1 resolution of 0.050 (0.054) on and on for 100% (50%) neutrino beam mode running assuming and . T2K will have sensitivity to the CP-violating phase at 90% C.L. or better over a significant range. For example, if is maximal (i.e. ) the range is for normal hierarchy and for inverted hierarchy. When T2K data is combined with data from the NO A experiment, the region of oscillation parameter space where there is sensitivity to observe a non-zero is substantially increased compared to if each experiment is analyzed alone.
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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 | 0.001 |
| 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