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	Diagramma di Feynman	Metodo dell'Elemento Matrice
Campo	Fisica delle particelle	Fisica delle particelle
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1949	1988
Ideatore	Richard Feynman	K. Kondo
Tipo	Visualization and calculation framework	Probability calculation framework
Fonte seminale	Feynman, R. P. (1949). The Theory of Positrons. Physical Review, 76(6), 749–759.	Kondo, K. (1988). Dynamical likelihood method for reconstruction of events produced by the top-quark pair in the lepton + jets channel at hadron colliders. Journal of the Physical Society of Japan, 57(12), 4126–4140.
Alias	Feynman graph, interaction diagram	MEM, matrix element calculation, amplitude evaluation
Correlati	3	3
Sintesi	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.	The Matrix Element Method (MEM) is a powerful analysis technique that leverages quantum field theory amplitudes to extract maximum physics information from individual events. By comparing observed detector signatures to predictions from matrix elements, MEM provides unbiased, model-independent measurements with excellent theoretical precision and sensitivity to new physics.