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AbstractAbstract
[en] An introduction to Feynman graph calculations is presented through 6 examples treated in extenso at the first order of perturbation theory. It recalls the necessary formulas of quantum field theory, matrix element calculation and graph representation for the first developped S matrix terms. Next follow the detailed calculations for: 1) μ- decay; 2) e-,p scattering; 3) Compton scattering; 4) π+ photoproduction on proton; 5) Bremsstrahlung; and 6) π0 decay. Units and conventions, relativistic mechanics and relativistic kinematics of nuclear reactions are recalled in appendices
[fr]
Introduction au calcul des graphes de Feynman a travers 6 exemples concrets traites in extenso au premier ordre de la theorie des perturbations. On rappelle tout d'abord les formules necessaires de la theorie quantique des champs, le calcul d'un element de matrice et l'interpretation graphique des premiers termes du developpement de la matrice S. La suite detaille le calcul de: 1) la desintegration du μ-; 2) la diffusion e-,p; 3) la diffusion Compton; 4) la photoproduction du π+ sur le proton; 5) du bremsstrahlung; et 6) la desintegration du π0. Trois appendices rappellent: les unites et conventions, la mecanique relativiste et la cinematique relativiste des reactions nucleairesOriginal Title
Introduction au calcul des graphes de Feynman
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Source
Mar 1983; 79 p
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Report
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BASIC INTERACTIONS, BOSONS, DECAY, DIAGRAMS, ELASTIC SCATTERING, ELECTROMAGNETIC INTERACTIONS, ELECTROMAGNETIC RADIATION, ELECTRON-NUCLEON INTERACTIONS, ELEMENTARY PARTICLES, FERMIONS, FIELD THEORIES, HADRONS, INFORMATION, INTERACTIONS, LEPTON-BARYON INTERACTIONS, LEPTON-HADRON INTERACTIONS, LEPTON-NUCLEON INTERACTIONS, LEPTONS, MATRICES, MESONS, MUONS, PARTICLE INTERACTIONS, PARTICLE PRODUCTION, PIONS, PSEUDOSCALAR MESONS, RADIATIONS
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