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Is the nucleon strange?
The issue of the strangeness content of the proton in relation to a large σ π N term is examined using the instanton-antiinstanton description of the QCD ground state. Modulo plausible assumptions, our results indicate no strangeness admixture in the nucleon state at zero momentum transfer.
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1989
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(89)91534-7 http://cds.cern.ch/record/191021 |