Positivity Bounds on Partial-Wave Amplitudes from Crossed-Channel Unitarity
- 25 October 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 186 (5), 1726-1728
- https://doi.org/10.1103/physrev.186.1726
Abstract
New constraint relations from crossed-channel unitarity are obtained for pion-pion and pion-nucleon scattering. The importance of the signature factor is pointed out.Keywords
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