Phase shift analysis of all proton-proton scattering data below=350 MeV
- 1 April 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review C
- Vol. 41 (4), 1435-1452
- https://doi.org/10.1103/physrevc.41.1435
Abstract
As a continuation of our 0–30 MeV analysis we present a multienergy phase shift analysis of all pp scattering data below =350 MeV. In the description of all partial waves we take exactly into account the long-range potential consisting of the improved Coulomb potential (including the magnetic moment interaction), the vacuum polarization potential, and the tail of the one-pion-exchange potential. To describe the short-range interaction in the lower partial waves we use a P-matrix parametrization. The intermediate partial waves are treated either by optimal mapping techniques or by using the Nijmegen soft-core potential. The latter gives a better description of the data. The final data set comprises 1626 scattering observables. The best fit to this final data set results in /=1.117, where =1576 is the number of degrees of freedom. The pp pseudovector coupling constant is determined to be =(74.9±0.7)×. Single-energy phase shifts and errors are also given.
Keywords
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