Bibliographic record
Abstract
➢ Two well known hadronic states: ➢ Baryons (𝑞𝑞𝑞 𝑜𝑟 ത 𝑞 ത 𝑞 ത 𝑞) ➢ Mesons (𝑞 ത 𝑞) ➢ Interactions of quarks and gluons are described by Quantum Chromodynamics (QCD).➢ Poorly understood hadron properties: ➢ Mass and Spin ➢ Mesons give an ideal testing ground for our understanding of bound 𝑞 ത 𝑞 system. Open Questions❑ How fundamental properties of hadrons arise from their constituent quarks and gluons?❑ Which theoretical model precisely predicts the parton (quark-gluon) interactions in color confinement regime?Pion -A Unique Meson 6/19/2023 Ali Usman 3 ➢ Pion is lightest meson with only two valence quarks (up and down).➢ Pion is positronium atom of QCD.➢ The residual nuclear force is carried by pions inside a nucleus.➢ Pions can be produced by scattering electrons off the virtual pion cloud inside the proton.➢ Exclusive Pion Electroproduction 𝒆 -+ 𝒑 → 𝒆 -′ + 𝝅 + + 𝒏 𝒐𝒓 𝚫 𝟎➢ To study hadron structure, need a precise measurement of the cross-section of this reaction. Pion Electroproduction
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.007 | 0.002 |
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".