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$K^{\pm}n$ forward dispersion relations and the KN$\Sigma$ coupling constant
Recent measurements of the K/sup -/n forward scattering amplitude at 1.2, 1.4, 2.6 GeV/c are used in a once-subtracted dispersion relation to determine the value of the KN Sigma coupling constant. The result is g/sub Sigma //sup 2/=1.9+or-3.2, in agreement with the prediction of the SU(3) theory.
| Autores principales: | , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1976
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(76)90618-3 http://cds.cern.ch/record/874072 |