Integral Representation for a Scattering Amplitude with Complex Singularities
- 1 September 1962
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 127 (5), 1847-1850
- https://doi.org/10.1103/physrev.127.1847
Abstract
A double integral representation for a scattering amplitude, which includes the contribution of a box diagram with complex singularities, is obtained. The integrations extend over real values of energy and momentum transfer only.Keywords
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