Combined CDF and D0 Search for Standard Model Higgs Boson Production with up to 10.0 fb-1 of Data

Details Combined CDF and D0 Search for Standard Model Higgs Boson Production with up to 10.0 fb-1 of Data Combined CDF and D0 Search for Standard Model Higgs Boson Production with up to 10.0 fb-1 of Data

2012-03-16

arxiv.org/abs/1203.3774v1

Physics

High Energy Physics

High Energy Physics - Experiment

Preliminary results prepared for the Winter 2012 conferences

Scientific paper

We combine results from CDF and D0 on direct searches for the 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 boson search combination more data have been added, additional channels have been incorporated, and some previously used channels have been reanalyzed to gain sensitivity. With up to 10 fb-1 of luminosity analyzed, the 95% C.L. median expected upper limits on Higgs boson production are factors of 0.94, 1.10, and 0.49 times the values of the SM cross section for Higgs bosons of mass m_H=115 GeV/c^2, 125 GeV/c^2,and 165 GeV/c^2, respectively. We exclude, at the 95% C.L., two regions: 100bbbar and H->W+W-, and find that the excess is concentrated in the H->bbbar channel, although the results in the H->W+W- channel are also consistent with the possible presence of a low-mass Higgs boson.

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