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Higher-Order Corrections to the Large-$N_c$ Bound on $M_{\eta}/M_{\eta'}$
Next-to-leading $1/\N$ corrections to the upper bound on $M_{\eta}/M_{\eta '}$ recently obtained by Georgi are considered. These corrections are just what is needed to reconcile the bound with the observed $\eta$ and $\eta'$ masses.
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| Lenguaje: | eng |
| Publicado: |
1994
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| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)90220-8 http://cds.cern.ch/record/570856 |