The automation of next-to-leading order electroweak calculations - INSPIRE

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The automation of next-to-leading order electroweak calculations

Apr 26, 2018

121 pages

Published in:

JHEP 11 (2021) 085 (erratum),
JHEP 07 (2018) 185

Published: Jul 31, 2018

e-Print:

1804.10017 [hep-ph]

DOI:

10.1007/JHEP11(2021)085 (erratum),
10.1007/JHEP07(2018)185 (publication)

Report number:

Nikhef/2018-015,
TUM-HEP-1138/18,
NIKHEF-2018-015,
TUM-HEP-1138-18

View in:

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Abstract: (Springer)

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.

NLO Computations
higher-order: 1
perturbation theory
mass: complex
electroweak interaction: correction
quantum chromodynamics
fragmentation function
CERN LHC Coll
Monte Carlo
numerical calculations

References(197)

Figures(26)

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