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Implications of $\eta$-$\eta$' mixing for the decay $\eta$ --> 3$\pi$
Taken by itself, the interference with the etaprime appears to strongly affect the amplitude of the transition eta->3 pi. I point out that this effect is fictitious and also occurs in the mass spectrum of the pseudoscalars. Chiral symmetry implies that the same combination of effective coupling c...
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| Lenguaje: | eng |
| Publicado: |
1996
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| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(96)00167-0 http://cds.cern.ch/record/293996 |