Low-Energy Theorems for Pion-Nucleon Scattering from Dispersion Relations and Crossing Symmetry
- 25 February 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 178 (5) , 2146-2153
- https://doi.org/10.1103/physrev.178.2146
Abstract
Low-energy theorems are derived for pion-nucleon scattering from dispersion relations and crossing symmetry. The presence of low-lying pion-nucleon resonances is taken into account. The relations obtained are different from the low-energy theorems obtained from current algebra and the hypothesis of partially conserved axial-vector current.Keywords
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