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

This publication has 6 references indexed in Scilit:

Some analytic properties of a decay amplitude with final state interactions
Il Nuovo Cimento (1869-1876), 1961
Unitarity Condition Below Physical Thresholds in the Normal and Anomalous Cases
Physical Review Letters, 1960
Über die Integralformeln in der Funktionentheorie mehrerer komplexer Veränderlichen
Mathematische Annalen, 1952
Sur les fonctions analytiques de plusieurs variables. II–Domaines d'holomorphie
Hiroshima Mathematical Journal, 1937
Sur les fonctions analytiques de plusieurs variables. I–Domaines convexes par rapport aux fonctions rationnelles
Hiroshima Mathematical Journal, 1936
L'int grale de Cauchy et les fonctions de plusieurs variables
Mathematische Annalen, 1935