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Absence of strong interaction corrections to the axial anomaly in the $\sigma$ model
The absence of strong interaction corrections to the axial anomaly in the sigma model is proved in a cut-off independent way using Zimmermann's normal product algorithm. (16 refs).
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| Lenguaje: | eng |
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1973
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| Acceso en línea: | https://dx.doi.org/10.1007/BF01645622 http://cds.cern.ch/record/880613 |