NLO QCD corrections to the production of t-tbar-Z in gluon fusion

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dc.creatorLazopoulos, Achilleas
dc.creatorMelnikov, Kirill
dc.creatorPetriello, Frank
dc.date2007-09-25
dc.date.accessioned2026-07-07T11:37:30Z
dc.date.available2026-07-07T11:37:30Z
dc.descriptionWe compute the O(alpha_s) QCD corrections to the partonic process gg -> t-tbar-Z at the LHC. This partonic channel is the dominant component of the scattering process pp -> t-tbar-Z, which will be important for measuring the t-tbar-Z electroweak couplings. The O(alpha_s) corrections increase the total cross section by up to 75% for reasonable choices of the renormalization and factorization scales. Inclusion of these contributions descreases the residual scale dependence of the cross section coming from uncalculated higher order terms to +-5%.
dc.description9 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0709.4044
dc.identifierhttp://arxiv.org/abs/0709.4044
dc.identifierPhys.Rev.D77:034021,2008
dc.identifierdoi:10.1103/PhysRevD.77.034021
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/199228
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleNLO QCD corrections to the production of t-tbar-Z in gluon fusion
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