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Zero Trajectories and the Problem of the Reconstruction of the Phase
Author(s) -
Stefanescu Ion Sabba
Publication year - 1987
Publication title -
fortschritte der physik/progress of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.469
H-Index - 71
eISSN - 1521-3978
pISSN - 0015-8208
DOI - 10.1002/prop.2190350802
Subject(s) - observable , amplitude , phase (matter) , zero (linguistics) , constraint (computer aided design) , physics , scattering , energy (signal processing) , scattering amplitude , classical mechanics , mathematics , statistical physics , quantum mechanics , geometry , philosophy , linguistics
We discuss the problem of the reconstruction of the phase of the scattering amplitudes of elastic strong interaction processes starting from the observables on extended domains of energy and angle. Analyticity of the amplitudes in one or two complex variables is the main theoretical constraint.