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Record W2121648391 · doi:10.1109/pac.2001.987871

The Canadian Light Source: an update

2002· article· en· W2121648391 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
aboutThe title or abstract carries a Canadian signal from the geographic lexicon.

Bibliographic record

VenuePACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268) · 2002
Typearticle
Languageen
FieldEngineering
TopicParticle Accelerators and Free-Electron Lasers
Canadian institutionsCanadian Light Source (Canada)University of Saskatchewan
Fundersnot available
KeywordsStorage ringUndulatorBeam emittancePhysicsLinear particle acceleratorBeam (structure)Advanced Photon SourceThermal emittanceOpticsMagnetBrightnessParticle acceleratorOptoelectronics

Abstract

fetched live from OpenAlex

The Canadian Light Source (CLS) is now under construction. It will be a third generation source capable of producing photon beams for a variety of research applications. The CLS has four principal components: a 250 MeV linac, a full energy booster, a storage ring, and an array of beam lines serving interests ranging from infrared light to hard X-rays. The 2.9 GeV storage ring has a compact design made up of twelve double bend achromats incorporating twelve 5 m straights for injection, RF and insertion devices (IDs). RF power for the storage ring will be supplied by a single superconducting cell operating at 500 MHz. Construction and commissioning should be complete by the end of 2003 and an initial complement of five IDs and three bend magnet sources supplying light to eight beam lines and eleven experimental end stations is anticipated. Photon beams with high brightness will be achieved through a combination of low electron beam emittance (18 nm-rad), high circulating current (500 mA), small vertical coupling and a variety of undulator magnets. The use of small gap undulators will result in bright beams at photon energies up to 20 keV.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.622
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0020.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.001

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.

Opus teacher head0.024
GPT teacher head0.206
Teacher spread0.183 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it