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Are there S=-2 Pentaquarks?
Recent evidence for pentaquark baryons in the channels $\Xi^-\pi^-$, $\Xi^-\pi^+$ and their anti-particles claimed by the NA49 collaboration is critically confronted with the vast amount of existing data on $\Xi$ spectroscopy which was accumulated over the past decades. It is shown that the claim is...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2004
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2004-01952-8 http://cds.cern.ch/record/705551 |