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Next-to-leading power two-loop soft functions for the Drell-Yan process at threshold
We calculate the generalized soft functions at $ \mathcal{O} $($ {\alpha}_s^2 $) at next-to-leading power accuracy for the Drell-Yan process at threshold. The operator definitions of these objects contain explicit insertions of soft gauge and matter fields, giving rise to a dependence on additional...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2021
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1007/JHEP10(2021)061 http://cds.cern.ch/record/2775939 |