New Trends in Multiperipheral Dynamics
The original idea  underlying multiperipheral dynamics was to describe a high energy many particle production event with a chain of many low energy amplitudes of peripheral nature, which are, in a dispersive language, dominated by few nearby singularities (the pion pole in the simplest case). The main use of these production amplitudes was not in the detailed calculation of exclusive differential cross-sections, but as an approximate input to the unitarity equation for the absorptive part of the elastic amplitude and for the inclusive distributions.
KeywordsFeynman Graph Ladder Diagram Production Amplitude Average Multiplicity High Energy Limit
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