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Stable calculations for unstable particles: restoring gauge invariance
We discuss theoretical and phenomenological aspects of the use of boson propagators with energy-dependent widths in predictions for high-energy scattering processes. In general, gauge invariance is violated in such calculations. We discuss several approaches to restore gauge invariance, necessary fo...
| Autores principales: | , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(95)01002-8 http://cds.cern.ch/record/284287 |