Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-11-19
Physics
High Energy Physics
High Energy Physics - Experiment
30 pages, five figures. Results prepared for the HCP 2009 conference, November 16-20, in Evian, France
Scientific paper
We combine results from CDF and D0 on direct searches for a standard model (SM) Higgs boson (H) in ppbar collisions at the Fermilab Tevatron at sqrt(s)=1.96 TeV. Compared to the previous Tevatron Higgs search combination more data have been added and some previously used channels have been reanalyzed to gain sensitivity. We use the latest parton distribution functions and gg->H theoretical cross sections when comparing our limits to the SM predictions. With 2.0-4.8 fb-1 of data analyzed at CDF, and 2.1-5.4 fb-1 at D0, the 95% C.L. upper limits on Higgs boson production are a factor of 2.70 (0.94) times the SM cross section for a Higgs boson mass of m_H=115 (165) GeV/c^2. The corresponding median upper limits expected in the absence of Higgs boson production are 1.78 (0.89). The mass range excluded at 95% C.L. for a SM Higgs is 163
Group Higgs Working
New Physics the Tevatron
The CDF Collaboration
The D0 Collaboration
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