Unitarity Corrections to Low-Energy Parameters in Soft-Pion Calculations
- 11 March 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 20 (11), 558-560
- https://doi.org/10.1103/physrevlett.20.558
Abstract
We unitarize the results of soft-pion current-algebra calculations of low-energy parameters for -wave pion-nucleon scattering in the channel, using the formalism. We isolate clearly corrections arising from unitarity, off-shell kinematics, and off-shell dynamics.
Keywords
This publication has 17 references indexed in Scilit:
- Unitarity Corrections to Current-Algebra Calculations of thes-Wave Pion-Pion Scattering LengthsPhysical Review B, 1967
- Low-Energy Pion-Nucleon Scattering from Current Commutation Relations and Partial Conservation of the Axial-Vector CurrentPhysical Review B, 1967
- Current-Algebra Determination of Low-Energy Pion-Nucleon ScatteringPhysical Review B, 1967
- Generalized Ward-Takahashi Identities and Current AlgebrasPhysical Review B, 1967
- Sum Rules forP-Wave Pion-Nucleon Scattering Lengths from Current AlgebrasPhysical Review Letters, 1966
- Pion Scattering LengthsPhysical Review Letters, 1966
- Sum Rules for the Axial-Vector Coupling-Constant Renormalization inDecayPhysical Review B, 1965
- Determination of Pion-NucleonS-Wave Scattering Lengths by theNDMethodPhysical Review B, 1964
- Vector Charge and Magnetic Moment Form Factors of the NucleonPhysical Review B, 1962
- Symmetries of Baryons and MesonsPhysical Review B, 1962