Hermitian Analyticity and S-Matrix Singularity Structure
- 1 December 1966
- journal article
- research article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 7 (12), 2230-2234
- https://doi.org/10.1063/1.1704909
Abstract
It is shown that the requirement of Hermitian analyticity can be used to determine the Riemann sheet structure of S‐matrix singularities. The examples of the square‐diagram Landau curve and of a single anomalous threshold are discussed for the (2 → 2)‐particle amplitude.Keywords
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