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Narrow states in $\overline{p}$p: duality expects them, experiment produces them, but are they the same?
The existence of four-quark states coupling strongly to BB channels has been expected from duality for a long time. Recently, narrow states have been produced in an Omega experiment on backward pi /sup - /p scattering, which are seen in their decay to pp. The author discusses whether these narrow st...
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| Lenguaje: | eng |
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1978
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| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(78)90052-4 http://cds.cern.ch/record/132807 |