Sommerfeld poles and backward peaks in elastic scattering
作者： E. Di Salvo , G. A. Viano
DOI: 10.1007/BF02730307
关键词: Scattering amplitude 、 Classical mechanics 、 Physics 、 Plane (geometry) 、 Elastic scattering 、 Trajectory 、 Communication channel 、 Representation (mathematics) 、 Sequence 、 Order (ring theory)
摘要: In this paper we propose a new use of the complex-angular-momentum representation scattering amplitude. particular show that it is not possible to connect sequence compound-state resonances with pole trajectory. Furthermore high-energy backward peaks in elastic channel are analysed, and model mechanism responsible for these enhancements. The mathematical formalism model, which employs poles theS-matrix plane, investigated detail. Finally, order test theory, phenomenological analysis performed; results obtain agreement theory.
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