Nucleon - nucleon scattering near 50 MeV. III. Analysis of new Davisnpdifferential cross-section data
- 1 July 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 10 (1), 72-77
- https://doi.org/10.1103/physrevd.10.72
Abstract
New Davis differential cross-section data at 50 MeV are phase-shift-analyzed together with the other world and data in the laboratory scattering energy range 47.5 to 60.9 MeV. Various combinations of the data, taken by groups at Davis, Oak Ridge, and Harwell, are included in the analysis and are found to affect mainly just the phase parameter . We argue that the Harwell only, or Harwell + Oak Ridge + Davis data analyses call for a strong long-range potential such as might come from ABC (Abashian-Booth-Crowe) exchange, while the Davis only or Davis + Oak Ridge data analyses are compatible with ordinary (non-ABC) meson-theoretical models. We urge that more precise absolute data be taken, to 1 or 2% accuracy, especially at far forward angles.
Keywords
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