# A combined search for the standard model Higgs boson at $\sqrt{s}$=1.96 TeV

Abstract : We present new results of the search for WH to lepton neutrino b b production in ppbar collisions at a center of mass energy of sqrt{s}=1.96 TeV, based on a dataset with integrated luminosity of 0.44 fb-1. We combine these new results with previously published searches by the D0 collaboration, for WH and ZH production analyzed in the MET b b final state, for ZH (to l+l- b b) production, for WH (to WWW) production, and for H (to WW) direct production. No signal-like excess is observed either in the WH analysis or in the combination of all D0 Higgs boson analyses. We set 95% C.L. (expected) upper limits on to 1.9 (3.3) pb for Higgs boson masses between 105 and 145 GeV, to be compared to the theoretical prediction of 0.13 pb for a standard model (SM) Higgs boson with mass m_H=115 GeV. After combination with the other D0 Higgs boson searches, we obtain for m_H=115 GeV an observed (expected) limit 8.5 (12.1) times higher than the SM predicted Higgs boson production cross section. For m_H=160 GeV, the corresponding observed (expected) ratio is 10.2 (9.0).
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00194009
Contributor : Danielle Cristofol Connect in order to contact the contributor
Submitted on : Wednesday, December 5, 2007 - 2:13:05 PM
Last modification on : Sunday, June 26, 2022 - 11:47:46 AM

### Citation

V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. A combined search for the standard model Higgs boson at $\sqrt{s}$=1.96 TeV. Physics Letters B, Elsevier, 2008, 663, pp.26-36. ⟨10.1016/j.physletb.2008.02.069⟩. ⟨in2p3-00194009⟩

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