Elements of Scattering Theory
These lectures don’t give a full presentation of scattering theory. They are devoted to some key topics which are important for the analysis of the analytical structure of amplitudes. At the present time, the study of analytical properties of the amplitudes is dictated by the necessities of the experiments: the discovery and investigations of new particles are mainly based on the study of leading singularities of amplitudes. A systematic presentation of the scattering theory problems which are touched here can be found in various textbooks and monographs, see, for example, refs [1–6].The presentation of some special problems is based on original articles, see refs. [7–12].
KeywordsPropa Tate Dinates ceiV
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