Search for Standard Model Higgs Bosons Produced in Association with W Bosons

T. Aaltonen et al. (CDF Collaboration)
Phys. Rev. Lett. 100, 041801 – Published 29 January 2008

Abstract

We report on the results of a search for standard model Higgs bosons produced in association with W bosons from pp¯ collisions at s=1.96TeV. The search uses a data sample corresponding to approximately 1fb1 of integrated luminosity. Events consistent with the Wν and Hbb¯ signature are selected by triggering on a high-pT electron or muon candidate and tagging one or two of the jet candidates as having originated from b quarks. A neural network filter rejects a fraction of tagged charm and light-flavor jets, increasing the b-jet purity in the sample. We observe no excess νbb¯ production beyond the background expectation, and we set 95% confidence level upper limits on the production cross section times branching fraction σ(pp¯WH)Br(Hbb¯) ranging from 3.9 to 1.3 pb, for specific Higgs boson mass hypotheses in the range 110 to 150GeV/c2, respectively.

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  • Received 23 October 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.041801

©2008 American Physical Society

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Vol. 100, Iss. 4 — 1 February 2008

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