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Invariant amplitudes and double dispersion relations for electron-muon scattering
For electron-muon scattering, a set of six invariant amplitudes free from kinematical singularities is determined. A simple proof of this freedom is given. Projection operators for this set are constructed. Double dispersion relations using natural subtraction points are derived for the box diagram....
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1972
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(72)90415-4 http://cds.cern.ch/record/875728 |
| Sumario: | For electron-muon scattering, a set of six invariant amplitudes free from kinematical singularities is determined. A simple proof of this freedom is given. Projection operators for this set are constructed. Double dispersion relations using natural subtraction points are derived for the box diagram. (11 refs). |
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