NNLO QCD predictions for the H → WW → ℓνℓν signal at the LHC
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Date
2007-09
Publication Type
Journal Article
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Abstract
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 Mh ≤ 165GeV; 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 signal selection 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. © SISSA 2007.
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published
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2007 (9)
Pages / Article No.
18
Publisher
IOP Publishing
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Subject
Higgs Physics; NLO Computations; QCD
Organisational unit
03593 - Dissertori, Günther / Dissertori, Günther