Determination of the pion-nucleon scattering lengths from partial-wave analyses
- 1 March 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 21 (5), 1289-1294
- https://doi.org/10.1103/physrevd.21.1289
Abstract
A study of the factors which govern a precise determination of the - and -wave pion-nucleon scattering lengths using phenomenological energy-dependent partial-wave analyses is made. The nuclear scattering lengths obtained result from rapidly convergent effective-range expansions and are shown to be insensitive to the energy cutoff. These phenomenological values are in general agreement with theoretical treatments.
Keywords
This publication has 14 references indexed in Scilit:
- Pion-nucleon phase-shift analyses: 0-350 MeVPhysical Review D, 1980
- Dynamical fit to low-energyπ−Nphase shifts and determination of the threshold parametersPhysical Review D, 1977
- Electromagnetic corrections toscatteringPhysical Review D, 1977
- Analysis of the πN invariant amplitudes in terms of algebraic functions and a new determination of the πN low-energy parametersNuclear Physics B, 1975
- A new value for the σ-commutator forπ N scatteringLettere al Nuovo Cimento (1971-1985), 1973
- New values of pion-nucleon scattering lengths and f2Physics Letters B, 1973
- Forward dispersion relation constraints on the pion-nucleon p-wave and d-wave scattering lengthsNuclear Physics B, 1972
- Pion-nucleon partial wave amplitudes in the low-energy region and below thresholdNuclear Physics B, 1972
- Determination of the pion nucleon coupling constant and s-wave scattering lengthsNuclear Physics B, 1972
- A note on the apparent inconsistency among measurements of threshold pion interactionsIl Nuovo Cimento (1869-1876), 1958