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Compton scattering in a unitary approach with causality constraints
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kondratyuk, S. K. Scholten, O. |
| Copyright Year | 2000 |
| Abstract | Pion-loop corrections for Compton scattering are calculated in a novel approach based on the use of dispersion relations in a formalism obeying unitarity. The basic framework is presented, including an application to Compton scattering. In the approach the effects of the non-pole contribution arising from pion dressing are expressed in terms of (half-off-shell) form factors and the nucleon self-energy. These quantities are constructed through the application of dispersion integrals to the pole contribution of loop diagrams, the same as those included in the calculation of the amplitudes through a K-matrix formalism. The prescription of minimal substitution is used to restore gauge invariance. The resulting relativistic-covariant model combines constraints from unitarity, causality, and crossing symmetry. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.rug.nl/research/portal/files/10587910/comptonscattering.pdf |
| Alternate Webpage(s) | http://arxiv.org/pdf/nucl-th/0003009v1.pdf |
| Alternate Webpage(s) | http://cds.cern.ch/record/430076/files/0003009.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Blind Loop Syndrome Causality Computer form factor Diagram Formal system Nucleons Obedience (human behavior) Quantity Semantics (computer science) Subsurface scattering Unitarity (physics) pi-Mesons |
| Content Type | Text |
| Resource Type | Article |
