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Observable phi-eta-star at LHC and second-order QED matrix element in Z/gamma to l+ l- decays
In a recent publication by ATLAS collaboration a new observable, the so-called phi-star angle, was used for precise measurement of transverse Z momentum. One of the dominant systematic errors for this measurement originates from the theoretical control of QED final-state bremsstrahlung. At present,...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2013
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2013.06.038 http://cds.cern.ch/record/1527336 |