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Gauge invariance properties and singularity cancellations in a modified PQCD
The gauge-invariance properties and singularity elimination of the modified perturbation theory for QCD introduced in previous works, are investigated. The construction of the modified free propagators is generalized to include the dependence on the gauge parameter $\alpha $. Further, a functional p...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2005
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2006-02546-2 http://cds.cern.ch/record/901878 |