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	Fajnmanov dijagram	PDF Fitting
Oblast	Fizika čestica	Fizika čestica
Porodica	Process / pipeline	Process / pipeline
Godina nastanka	1949	1969
Tvorac	Richard Feynman	James Bjorken and collaborators
Tip	Visualization and calculation framework	QCD framework
Temeljni izvor	Feynman, R. P. (1949). The Theory of Positrons. Physical Review, 76(6), 749–759.	Bjorken, J. D. (1969). Asymptotic sum rules at infinite momentum. Physical Review, 179(5), 1547.
Drugi nazivi	Feynman graph, interaction diagram	PDF, structure function, parton model
Srodne	3	3
Sažetak	Feynman diagrams are graphical representations of particle interactions introduced by Richard Feynman in 1949. They provide an intuitive and systematic way to visualize and calculate amplitudes for quantum field theory processes, converting complex mathematical expressions into geometric pictures that reveal the underlying physics.	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.