Search for associated W and Higgs Boson production in pp̄ collisions at s=1.96TeV
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2009-02-02
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We present results of a search for WH→ℓνbb̄ production in pp̄ collisions based on the analysis of 1.05fb-1 of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess is observed, and we set 95% C.L. upper limits on the WH production cross section multiplied by the branching ratio for H→bb̄ for Higgs boson masses between 100 and 150 GeV. For a mass of 115 GeV, we obtain an observed (expected) limit of 1.5 (1.4) pb, a factor of 11.4 (10.7) times larger than the standard model prediction. © 2009 The American Physical Society.
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Physical Review Letters, v. 102, n. 5, 2009.