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Constraints on moments of S wave pion pion amplitudes resulting from crossing symmetry and positivity properties of absorptive parts

Authors
  • Piguet, O.
  • Wanders, G.
Publication Date
Jan 01, 1969
Identifiers
DOI: 10.1016/0370-2693(69)90477-8
OAI: oai:inspirehep.net:56639
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

New conditions on moments of S-wave pion-pion amplitudes over the interval between the left- and right-hand cuts are derived from crossing symmetry and positivity properties of the absorptive parts. They are applied to the model of Iliopoulos.

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