Beam transmission and emittance measurements on the RFQ1 accelerator
Why this work is in the frame
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Bibliographic record
Abstract
RFQ1 is an accelerator project for the development of high-current CW radiofrequency quadrupole (RFQ) proton accelerators. The injector is designed to provide a matched 50 keV multibeamlet DC proton current, variable up to 90 mA, to the RFQ. The accelerator is a 100% duty factor radiofrequency quadrupole, designed to accelerate 75 mA of protons to a final energy of 600 keV. The experimental program of RFQ1-600 has been completed and the major design goals have been achieved. The RFQ proved to be a robust and reliable machine capable of operating up to the 1.6 Kilpatrick field level. A high tolerance to CW beam spill (>30 mA) in the structure facilitated the measurement of beam parameters over a range of off-optimum operating conditions. Measured transmission and emittance were in agreement with PARMTEQ code predictions over a wide range of operating conditions.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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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