方法对比
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| 有效场论× | 部分子分布函数（PDF）拟合× | |
|---|---|---|
| 领域 | 粒子物理学 | 粒子物理学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1979 | 1969 |
| 提出者≠ | Steven Weinberg | James Bjorken and collaborators |
| 类型≠ | Model-independent approach | QCD framework |
| 开创性文献≠ | Weinberg, S. (1979). Baryon and lepton nonconserving processes. Physical Review Letters, 43(21), 1566. DOI ↗ | Bjorken, J. D. (1969). Asymptotic sum rules at infinite momentum. Physical Review, 179(5), 1547. DOI ↗ |
| 别名 | EFT, effective theory, operator product expansion | PDF, structure function, parton model |
| 相关 | 3 | 3 |
| 摘要≠ | Effective Field Theory (EFT) is a general framework for studying physics at low energies in terms of the relevant degrees of freedom, without requiring complete knowledge of high-energy physics. By expanding in powers of energy, EFT provides model-independent parameterizations of new physics effects and systematic methods for computing precision predictions of the Standard Model. | Parton Distribution Function (PDF) fitting is the process of determining the probability distributions of quarks and gluons inside hadrons using high-energy collision data. PDFs are fundamental inputs to all hadron collider phenomenology, essential for predicting cross-sections, designing triggers, and interpreting new physics searches at the Large Hadron Collider. |
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