NNLO QCD predictions for the $H \to WW \to \ell \nu \ell \nu$ signal at the LHC - INSPIRE

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NNLO QCD predictions for the $H \to WW \to \ell \nu \ell \nu$ signal at the LHC

Jul, 2007

17 pages

Published in:

JHEP 09 (2007) 018

e-Print:

0707.2373 [hep-ph]

DOI:

10.1088/1126-6708/2007/09/018

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Abstract: (arXiv)

We present a first computation of the 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 Higgs boson mass Mh = 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 signal selection cuts. As a main result we give the value of the cross section at NNLO with all selection cuts envisaged in the search for the Higgs boson.

QCD
Higgs
LHC Physics
NLO and NNLO Computations
p p: inclusive reaction
Higgs particle: hadroproduction
Higgs particle: decay
W: pair production
W: leptonic decay
final state: (2lepton 2neutrino)

References(48)

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CMS technical design report, volume II: Physics performance

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