The 1.3 GHz SRF Injector Cryomodule for VECC – designed and manufactured at TRIUMF
Bibliographic record
Abstract
The combined R&D efforts of engineers and scientists from both TRIUMF and VECC have resulted in production of a superconducting Injector Cryomodule operating at 1.3 GHz.The design utilizes a unique box cryomodule with a top-loading cold mass.Liquid helium supplied at 4.4 K is converted to superfluid helium-II on board the cryomodule.A 4 K phase separator, 4 K / 2 K heat exchanger and Joule-Thompson valve are installed on the cryomodule to produce 2 K liquid helium.Two identical (by their parameters) cryomodules have been manufactured at TRIUMF.The Injector Cryomodule (ICM) has been tested and commissioned in June of 2014 and is the first cryomodule for the ARIEL e-linac at TRIUMF.The Injector Cryomodule for VECC (VECC ICM) is currently at the finishing stage of its assembly and will undergo cryogenic tests in Q1 of 2016 followed by RF and beam tests at TRIUMF before being shipped to India.The particularities of the design as well as results of the cryogenic and RF performance are presented in this paper.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".