方法对比
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| 重整化群方程× | 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≠ | 1970 | 1969 |
| 提出者≠ | Curtis Callan and David Gross | James Bjorken and collaborators |
| 类型≠ | Scale dependence framework | QCD framework |
| 开创性文献≠ | Callan, C. G. (1970). Broken scale invariance in scalar field theory. Physical Review D, 2(6), 1541. DOI ↗ | Bjorken, J. D. (1969). Asymptotic sum rules at infinite momentum. Physical Review, 179(5), 1547. DOI ↗ |
| 别名 | RGE, running couplings, beta function evolution | PDF, structure function, parton model |
| 相关 | 3 | 3 |
| 摘要≠ | Renormalization Group Equations (RGEs) describe how the coupling constants and masses of a quantum field theory evolve with energy scale. They are fundamental tools for understanding the scale dependence of physics, predicting the behavior of coupling strengths at different energies, and connecting high-energy physics to low-energy precision measurements. | 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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