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Covariant perturbation theory and chiral superpropagators
The authors use a covariant formulation of perturbation theory for the non-linear chiral invariant pion model to define chiral superpropagators leading to S-matrix elements which are independent of the choice of the pion field coordinates. The relation to the standard definition of chiral superpropa...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1972
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(72)90074-3 http://cds.cern.ch/record/875564 |