Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-08-08
Phys.Rev.Lett.101:251802,2008
Physics
High Energy Physics
High Energy Physics - Experiment
Submitted to Phys. Rev. Letters
Scientific paper
10.1103/PhysRevLett.101.251802
We report a search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology, using an integrated luminosity of 0.93 inverse femtobarn recorded by the D0 detector at the Fermilab Tevatron Collider. The analysis includes signal contributions from pp->ZH->nu nu b b, as well as from WH production in which the charged lepton from the W boson decay is undetected. Neural networks are used to separate signal from background. In the absence of a signal, we set limits on the cross section of pp->VH times the branching ratio of H->bb at the 95% C.L. of 2.6 - 2.3 pb, for Higgs boson masses in the range 105 - 135 GeV, where V=W,Z. The corresponding expected limits range from 2.8 pb - 2.0 pb.
"D0 Collaboration
Abazov V.
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