The automation of next-to-leading order electroweak calculations

Abstract : We present the key features relevant to the automated computation of all the leading- and next-to-leading order contributions to short-distance cross sections in a mixed-coupling expansion, with special emphasis on the first subleading NLO term in the QCD+EW scenario, commonly referred to as NLO EW corrections. We discuss, in particular, the FKS subtraction in the context of a mixed-coupling expansion, the extension of the FKS subtraction to processes that include final-state tagged particles, defined by means of fragmentation functions, and some properties of the complex mass scheme. We combine the present paper with the release of a new version of MadGraph5_aMC@NLO, capable of dealing with mixed-coupling expansions. We use the code to obtain illustrative inclusive and differential results for the 13-TeV LHC.
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JHEP, 2018, 07, pp.185. 〈10.1007/JHEP07(2018)185〉
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https://hal.archives-ouvertes.fr/hal-01792128
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Soumis le : mardi 15 mai 2018 - 11:34:10
Dernière modification le : mercredi 17 octobre 2018 - 04:05:25

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R. Frederix, S. Frixione, V. Hirschi, D. Pagani, H.-S. Shao, et al.. The automation of next-to-leading order electroweak calculations. JHEP, 2018, 07, pp.185. 〈10.1007/JHEP07(2018)185〉. 〈hal-01792128〉

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