Measurement of low-energy elasticπ±pdifferential cross sections
- 1 October 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 28 (7), 1569-1585
- https://doi.org/10.1103/physrevd.28.1569
Abstract
We have measured differential cross sections for both and elastic scattering at incident-pion kinetic energies of 30, 50, 70, and 90 MeV in the center-of-mass angular range between 50° and 150°. The experiment detected pions scattered from a liquid-hydrogen target with multiwire proportional chambers and scintillation-counter range telescopes. The relative accuracy of each angular distribution is better than 5%, while the absolute cross sections have uncertainties of 4% to 25%. Our results for the absolute cross section for scattering at 30 and 90 MeV are inconsistent with previous measurements. Our measurements comprise the first extensive set of precision differential cross sections below 90 MeV.
Keywords
This publication has 9 references indexed in Scilit:
- Pion-nucleon scattering in theP11channelPhysical Review C, 1982
- Present status of the pion-nucleonσtermPhysical Review D, 1981
- Separable potential model for the off-shellamplitudePhysical Review C, 1981
- Relativistic generalizations of simple pion-nucleon modelsPhysical Review C, 1981
- Low-energyπNscattering fromNandΔpoles and the low-energy theoremsPhysical Review D, 1980
- Pion-nucleon phase-shift analyses: 0-350 MeVPhysical Review D, 1980
- π+–p elastic scattering at 47.9 MeVCanadian Journal of Physics, 1979
- Theory of the low-energy pion-nucleon interactionPhysical Review C, 1978
- πp elastic scattering from 88 to 292 MeVNuclear Physics B, 1973