Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1088/1126-6708/2007/09/018
Keywords
Higgs physics; NLO computations; QCD
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We present a first computation of the next-to-next-to-leading order (NNLO) QCD cross-section at the LHC for the production of four leptons from a Higgs boson decaying into W bosons. We study the cross-section for a mass value of M-h = 165 GeV; around this value a Standard Model Higgs boson decays almost exclusively into W-pairs. We apply all nominal experimental cuts on the final state leptons and the associated jet activity and study the magnitude of higher-order effects up to NNLO on all kinematic variables which are constrained by experimental cuts. We find that the magnitude of the higher-order corrections varies significantly with the signals election cuts. As a main result we give the value of the cross-section at NNLO with all selection cuts envisaged for the search of the Higgs boson.
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